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/forester-heap/dll-reverse_true-unreach-call_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ccafca9-m [2018-02-04 03:38:21,198 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-04 03:38:21,199 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-04 03:38:21,212 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-04 03:38:21,212 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-04 03:38:21,213 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-04 03:38:21,214 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-04 03:38:21,215 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-04 03:38:21,217 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-04 03:38:21,218 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-04 03:38:21,219 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-04 03:38:21,219 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-04 03:38:21,220 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-04 03:38:21,221 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-04 03:38:21,221 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-04 03:38:21,223 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-04 03:38:21,225 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-04 03:38:21,226 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-04 03:38:21,227 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-04 03:38:21,228 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-04 03:38:21,230 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-02-04 03:38:21,230 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-02-04 03:38:21,230 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-02-04 03:38:21,231 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-02-04 03:38:21,232 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-02-04 03:38:21,233 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-02-04 03:38:21,233 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-02-04 03:38:21,233 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-02-04 03:38:21,233 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-02-04 03:38:21,234 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-02-04 03:38:21,234 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-02-04 03:38:21,234 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 03:38:21,244 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-04 03:38:21,244 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-04 03:38:21,245 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-04 03:38:21,245 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-04 03:38:21,245 INFO L133 SettingsManager]: * Use SBE=true [2018-02-04 03:38:21,245 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-04 03:38:21,246 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-04 03:38:21,246 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-04 03:38:21,246 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-04 03:38:21,246 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-04 03:38:21,246 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-04 03:38:21,246 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-04 03:38:21,246 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-04 03:38:21,247 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-02-04 03:38:21,247 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-04 03:38:21,247 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-04 03:38:21,247 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-04 03:38:21,247 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-04 03:38:21,247 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-04 03:38:21,248 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-04 03:38:21,248 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-04 03:38:21,248 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-04 03:38:21,248 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-02-04 03:38:21,275 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-04 03:38:21,285 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-04 03:38:21,288 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-04 03:38:21,289 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-04 03:38:21,290 INFO L276 PluginConnector]: CDTParser initialized [2018-02-04 03:38:21,290 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/dll-reverse_true-unreach-call_true-valid-memsafety.i [2018-02-04 03:38:21,438 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-04 03:38:21,439 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-04 03:38:21,439 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-04 03:38:21,439 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-04 03:38:21,444 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-04 03:38:21,445 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 03:38:21" (1/1) ... [2018-02-04 03:38:21,447 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69a9abb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:38:21, skipping insertion in model container [2018-02-04 03:38:21,447 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 03:38:21" (1/1) ... [2018-02-04 03:38:21,457 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 03:38:21,485 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 03:38:21,581 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 03:38:21,597 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 03:38:21,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:38:21 WrapperNode [2018-02-04 03:38:21,603 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-04 03:38:21,604 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-04 03:38:21,604 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-04 03:38:21,604 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-04 03:38:21,614 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:38:21" (1/1) ... [2018-02-04 03:38:21,614 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:38:21" (1/1) ... [2018-02-04 03:38:21,623 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:38:21" (1/1) ... [2018-02-04 03:38:21,623 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:38:21" (1/1) ... [2018-02-04 03:38:21,627 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:38:21" (1/1) ... [2018-02-04 03:38:21,631 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:38:21" (1/1) ... [2018-02-04 03:38:21,632 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:38:21" (1/1) ... [2018-02-04 03:38:21,633 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-04 03:38:21,634 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-04 03:38:21,634 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-04 03:38:21,634 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-04 03:38:21,635 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:38:21" (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 03:38:21,669 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-04 03:38:21,669 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-04 03:38:21,669 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-04 03:38:21,669 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-02-04 03:38:21,669 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-02-04 03:38:21,669 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-02-04 03:38:21,670 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-02-04 03:38:21,670 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-04 03:38:21,670 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-04 03:38:21,670 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-04 03:38:21,670 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-02-04 03:38:21,670 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-02-04 03:38:21,670 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-02-04 03:38:21,670 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-02-04 03:38:21,670 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-04 03:38:21,670 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-04 03:38:21,670 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-04 03:38:21,997 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-04 03:38:21,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 03:38:21 BoogieIcfgContainer [2018-02-04 03:38:21,998 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-04 03:38:21,999 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-04 03:38:21,999 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-04 03:38:22,001 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-04 03:38:22,002 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.02 03:38:21" (1/3) ... [2018-02-04 03:38:22,002 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@690b9108 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 03:38:22, skipping insertion in model container [2018-02-04 03:38:22,002 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:38:21" (2/3) ... [2018-02-04 03:38:22,003 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@690b9108 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 03:38:22, skipping insertion in model container [2018-02-04 03:38:22,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 03:38:21" (3/3) ... [2018-02-04 03:38:22,004 INFO L107 eAbstractionObserver]: Analyzing ICFG dll-reverse_true-unreach-call_true-valid-memsafety.i [2018-02-04 03:38:22,011 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-02-04 03:38:22,018 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 65 error locations. [2018-02-04 03:38:22,049 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-04 03:38:22,049 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-04 03:38:22,049 INFO L324 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-02-04 03:38:22,050 INFO L325 AbstractCegarLoop]: Backedges is CANONICAL [2018-02-04 03:38:22,050 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-04 03:38:22,050 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-04 03:38:22,050 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-04 03:38:22,050 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-04 03:38:22,051 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-04 03:38:22,064 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states. [2018-02-04 03:38:22,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-02-04 03:38:22,072 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:38:22,072 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:38:22,073 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:38:22,077 INFO L82 PathProgramCache]: Analyzing trace with hash 484042676, now seen corresponding path program 1 times [2018-02-04 03:38:22,124 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:38:22,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:38:22,164 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:38:22,215 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 03:38:22,217 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:38:22,217 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-04 03:38:22,218 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:38:22,219 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 03:38:22,219 INFO L182 omatonBuilderFactory]: Interpolants [160#(= 1 (select |#valid| main_~head~0.base)), 157#true, 158#false, 159#(= 1 (select |#valid| |main_#t~malloc0.base|))] [2018-02-04 03:38:22,220 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 03:38:22,220 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 03:38:22,233 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 03:38:22,233 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-04 03:38:22,235 INFO L87 Difference]: Start difference. First operand 154 states. Second operand 4 states. [2018-02-04 03:38:22,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:38:22,442 INFO L93 Difference]: Finished difference Result 164 states and 173 transitions. [2018-02-04 03:38:22,443 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-02-04 03:38:22,444 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-02-04 03:38:22,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:38:22,450 INFO L225 Difference]: With dead ends: 164 [2018-02-04 03:38:22,450 INFO L226 Difference]: Without dead ends: 160 [2018-02-04 03:38:22,451 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 03:38:22,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2018-02-04 03:38:22,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 148. [2018-02-04 03:38:22,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2018-02-04 03:38:22,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 156 transitions. [2018-02-04 03:38:22,479 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 156 transitions. Word has length 8 [2018-02-04 03:38:22,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:38:22,479 INFO L432 AbstractCegarLoop]: Abstraction has 148 states and 156 transitions. [2018-02-04 03:38:22,479 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 03:38:22,480 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 156 transitions. [2018-02-04 03:38:22,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-02-04 03:38:22,480 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:38:22,480 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:38:22,480 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:38:22,480 INFO L82 PathProgramCache]: Analyzing trace with hash 484042677, now seen corresponding path program 1 times [2018-02-04 03:38:22,481 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:38:22,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:38:22,493 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:38:22,535 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 03:38:22,535 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:38:22,535 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-04 03:38:22,536 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:38:22,536 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 03:38:22,536 INFO L182 omatonBuilderFactory]: Interpolants [475#true, 476#false, 477#(and (= 0 |main_#t~malloc0.offset|) (= 12 (select |#length| |main_#t~malloc0.base|))), 478#(and (= (select |#length| main_~head~0.base) 12) (= main_~head~0.offset 0))] [2018-02-04 03:38:22,536 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 03:38:22,538 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 03:38:22,538 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 03:38:22,538 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-04 03:38:22,538 INFO L87 Difference]: Start difference. First operand 148 states and 156 transitions. Second operand 4 states. [2018-02-04 03:38:22,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:38:22,649 INFO L93 Difference]: Finished difference Result 145 states and 153 transitions. [2018-02-04 03:38:22,650 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-02-04 03:38:22,650 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-02-04 03:38:22,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:38:22,651 INFO L225 Difference]: With dead ends: 145 [2018-02-04 03:38:22,652 INFO L226 Difference]: Without dead ends: 145 [2018-02-04 03:38:22,652 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 03:38:22,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2018-02-04 03:38:22,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2018-02-04 03:38:22,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2018-02-04 03:38:22,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 153 transitions. [2018-02-04 03:38:22,660 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 153 transitions. Word has length 8 [2018-02-04 03:38:22,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:38:22,661 INFO L432 AbstractCegarLoop]: Abstraction has 145 states and 153 transitions. [2018-02-04 03:38:22,661 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 03:38:22,661 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 153 transitions. [2018-02-04 03:38:22,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-02-04 03:38:22,661 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:38:22,661 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:38:22,662 INFO L371 AbstractCegarLoop]: === Iteration 3 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:38:22,662 INFO L82 PathProgramCache]: Analyzing trace with hash 1645542977, now seen corresponding path program 1 times [2018-02-04 03:38:22,663 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:38:22,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:38:22,682 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:38:22,730 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 03:38:22,731 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:38:22,731 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-04 03:38:22,731 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:38:22,731 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 03:38:22,731 INFO L182 omatonBuilderFactory]: Interpolants [771#true, 772#false, 773#(= 1 (select |#valid| main_~head~0.base)), 774#(= 1 (select |#valid| main_~x~0.base))] [2018-02-04 03:38:22,732 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 03:38:22,732 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 03:38:22,732 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 03:38:22,732 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-04 03:38:22,733 INFO L87 Difference]: Start difference. First operand 145 states and 153 transitions. Second operand 4 states. [2018-02-04 03:38:22,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:38:22,866 INFO L93 Difference]: Finished difference Result 138 states and 147 transitions. [2018-02-04 03:38:22,866 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 03:38:22,866 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2018-02-04 03:38:22,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:38:22,867 INFO L225 Difference]: With dead ends: 138 [2018-02-04 03:38:22,867 INFO L226 Difference]: Without dead ends: 138 [2018-02-04 03:38:22,867 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 03:38:22,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2018-02-04 03:38:22,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 134. [2018-02-04 03:38:22,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2018-02-04 03:38:22,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 146 transitions. [2018-02-04 03:38:22,874 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 146 transitions. Word has length 16 [2018-02-04 03:38:22,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:38:22,874 INFO L432 AbstractCegarLoop]: Abstraction has 134 states and 146 transitions. [2018-02-04 03:38:22,874 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 03:38:22,874 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 146 transitions. [2018-02-04 03:38:22,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-02-04 03:38:22,875 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:38:22,875 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:38:22,875 INFO L371 AbstractCegarLoop]: === Iteration 4 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:38:22,875 INFO L82 PathProgramCache]: Analyzing trace with hash 1645542978, now seen corresponding path program 1 times [2018-02-04 03:38:22,876 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:38:22,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:38:22,891 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:38:22,984 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 03:38:22,985 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:38:22,985 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-02-04 03:38:22,985 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:38:22,985 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 03:38:22,986 INFO L182 omatonBuilderFactory]: Interpolants [1049#true, 1050#false, 1051#(and (= 0 |main_#t~malloc0.offset|) (= 12 (select |#length| |main_#t~malloc0.base|))), 1052#(and (= 0 main_~head~0.offset) (= 12 (select |#length| main_~head~0.base))), 1053#(and (= 0 main_~head~0.offset) (= 12 (select |#length| main_~head~0.base)) (= 1 (select |#valid| main_~head~0.base))), 1054#(and (= 12 (select |#length| main_~x~0.base)) (= main_~x~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 1055#(and (= main_~x~0.offset 0) (= (select |#length| main_~x~0.base) 12))] [2018-02-04 03:38:22,986 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 03:38:22,986 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-02-04 03:38:22,986 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-02-04 03:38:22,986 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-02-04 03:38:22,987 INFO L87 Difference]: Start difference. First operand 134 states and 146 transitions. Second operand 7 states. [2018-02-04 03:38:23,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:38:23,218 INFO L93 Difference]: Finished difference Result 181 states and 195 transitions. [2018-02-04 03:38:23,219 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 03:38:23,219 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 16 [2018-02-04 03:38:23,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:38:23,220 INFO L225 Difference]: With dead ends: 181 [2018-02-04 03:38:23,220 INFO L226 Difference]: Without dead ends: 181 [2018-02-04 03:38:23,220 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-02-04 03:38:23,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2018-02-04 03:38:23,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 166. [2018-02-04 03:38:23,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2018-02-04 03:38:23,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 184 transitions. [2018-02-04 03:38:23,228 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 184 transitions. Word has length 16 [2018-02-04 03:38:23,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:38:23,228 INFO L432 AbstractCegarLoop]: Abstraction has 166 states and 184 transitions. [2018-02-04 03:38:23,229 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-02-04 03:38:23,229 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 184 transitions. [2018-02-04 03:38:23,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-02-04 03:38:23,229 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:38:23,229 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:38:23,229 INFO L371 AbstractCegarLoop]: === Iteration 5 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:38:23,230 INFO L82 PathProgramCache]: Analyzing trace with hash 818835877, now seen corresponding path program 1 times [2018-02-04 03:38:23,231 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:38:23,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:38:23,252 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:38:23,302 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 03:38:23,302 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:38:23,302 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 03:38:23,302 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:38:23,303 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 03:38:23,303 INFO L182 omatonBuilderFactory]: Interpolants [1409#true, 1410#false, 1411#(and (= 0 |main_#t~malloc5.offset|) (= 12 (select |#length| |main_#t~malloc5.base|))), 1412#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 1413#(and (= (select |#length| |main_#t~mem7.base|) 12) (= |main_#t~mem7.offset| 0))] [2018-02-04 03:38:23,303 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 03:38:23,303 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 03:38:23,303 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 03:38:23,303 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-04 03:38:23,303 INFO L87 Difference]: Start difference. First operand 166 states and 184 transitions. Second operand 5 states. [2018-02-04 03:38:23,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:38:23,542 INFO L93 Difference]: Finished difference Result 291 states and 322 transitions. [2018-02-04 03:38:23,542 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 03:38:23,542 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2018-02-04 03:38:23,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:38:23,543 INFO L225 Difference]: With dead ends: 291 [2018-02-04 03:38:23,543 INFO L226 Difference]: Without dead ends: 291 [2018-02-04 03:38:23,543 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 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 03:38:23,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2018-02-04 03:38:23,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 165. [2018-02-04 03:38:23,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2018-02-04 03:38:23,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 182 transitions. [2018-02-04 03:38:23,549 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 182 transitions. Word has length 18 [2018-02-04 03:38:23,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:38:23,549 INFO L432 AbstractCegarLoop]: Abstraction has 165 states and 182 transitions. [2018-02-04 03:38:23,549 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 03:38:23,549 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 182 transitions. [2018-02-04 03:38:23,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-02-04 03:38:23,549 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:38:23,550 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:38:23,550 INFO L371 AbstractCegarLoop]: === Iteration 6 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:38:23,550 INFO L82 PathProgramCache]: Analyzing trace with hash 818835876, now seen corresponding path program 1 times [2018-02-04 03:38:23,550 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:38:23,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:38:23,559 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:38:23,578 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 03:38:23,579 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:38:23,579 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 03:38:23,579 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:38:23,579 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 03:38:23,579 INFO L182 omatonBuilderFactory]: Interpolants [1876#true, 1877#false, 1878#(= 1 (select |#valid| |main_#t~malloc5.base|)), 1879#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 1880#(= 1 (select |#valid| |main_#t~mem7.base|))] [2018-02-04 03:38:23,579 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 03:38:23,579 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 03:38:23,579 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 03:38:23,579 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-04 03:38:23,580 INFO L87 Difference]: Start difference. First operand 165 states and 182 transitions. Second operand 5 states. [2018-02-04 03:38:23,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:38:23,731 INFO L93 Difference]: Finished difference Result 290 states and 320 transitions. [2018-02-04 03:38:23,731 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 03:38:23,731 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2018-02-04 03:38:23,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:38:23,732 INFO L225 Difference]: With dead ends: 290 [2018-02-04 03:38:23,732 INFO L226 Difference]: Without dead ends: 290 [2018-02-04 03:38:23,732 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-02-04 03:38:23,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2018-02-04 03:38:23,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 164. [2018-02-04 03:38:23,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2018-02-04 03:38:23,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 180 transitions. [2018-02-04 03:38:23,738 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 180 transitions. Word has length 18 [2018-02-04 03:38:23,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:38:23,738 INFO L432 AbstractCegarLoop]: Abstraction has 164 states and 180 transitions. [2018-02-04 03:38:23,738 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 03:38:23,738 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 180 transitions. [2018-02-04 03:38:23,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-02-04 03:38:23,739 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:38:23,739 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, 1, 1] [2018-02-04 03:38:23,739 INFO L371 AbstractCegarLoop]: === Iteration 7 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:38:23,739 INFO L82 PathProgramCache]: Analyzing trace with hash 1530293414, now seen corresponding path program 1 times [2018-02-04 03:38:23,740 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:38:23,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:38:23,752 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:38:23,820 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 03:38:23,820 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:38:23,820 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-02-04 03:38:23,820 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:38:23,821 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 03:38:23,821 INFO L182 omatonBuilderFactory]: Interpolants [2339#true, 2340#false, 2341#(= 1 (select |#valid| main_~head~0.base)), 2342#(= (select |#valid| main_~x~0.base) 1), 2343#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= 1 (select |#valid| |main_#t~malloc5.base|))), 2344#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 2345#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem7.base|))), 2346#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 2347#(= 1 (select |#valid| |main_#t~mem9.base|))] [2018-02-04 03:38:23,821 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 03:38:23,821 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-02-04 03:38:23,821 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-02-04 03:38:23,821 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-02-04 03:38:23,822 INFO L87 Difference]: Start difference. First operand 164 states and 180 transitions. Second operand 9 states. [2018-02-04 03:38:24,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:38:24,168 INFO L93 Difference]: Finished difference Result 165 states and 180 transitions. [2018-02-04 03:38:24,169 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-02-04 03:38:24,169 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2018-02-04 03:38:24,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:38:24,170 INFO L225 Difference]: With dead ends: 165 [2018-02-04 03:38:24,170 INFO L226 Difference]: Without dead ends: 165 [2018-02-04 03:38:24,170 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2018-02-04 03:38:24,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2018-02-04 03:38:24,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 163. [2018-02-04 03:38:24,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2018-02-04 03:38:24,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 179 transitions. [2018-02-04 03:38:24,175 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 179 transitions. Word has length 22 [2018-02-04 03:38:24,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:38:24,175 INFO L432 AbstractCegarLoop]: Abstraction has 163 states and 179 transitions. [2018-02-04 03:38:24,175 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-02-04 03:38:24,175 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 179 transitions. [2018-02-04 03:38:24,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-02-04 03:38:24,176 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:38:24,176 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, 1, 1] [2018-02-04 03:38:24,176 INFO L371 AbstractCegarLoop]: === Iteration 8 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:38:24,176 INFO L82 PathProgramCache]: Analyzing trace with hash 1530293415, now seen corresponding path program 1 times [2018-02-04 03:38:24,177 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:38:24,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:38:24,188 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:38:24,304 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 03:38:24,304 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:38:24,304 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-02-04 03:38:24,305 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:38:24,305 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 03:38:24,305 INFO L182 omatonBuilderFactory]: Interpolants [2688#(= 1 (select |#valid| main_~head~0.base)), 2689#(= (select |#valid| main_~x~0.base) 1), 2690#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= 12 (select |#length| |main_#t~malloc5.base|))), 2691#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 2692#(and (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem7.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 2693#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 2694#(and (= 0 |main_#t~mem9.offset|) (= 12 (select |#length| |main_#t~mem9.base|))), 2695#(and (= main_~x~0.offset 0) (= (select |#length| main_~x~0.base) 12)), 2686#true, 2687#false] [2018-02-04 03:38:24,305 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 03:38:24,306 INFO L409 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-02-04 03:38:24,306 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-02-04 03:38:24,306 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-02-04 03:38:24,306 INFO L87 Difference]: Start difference. First operand 163 states and 179 transitions. Second operand 10 states. [2018-02-04 03:38:24,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:38:24,832 INFO L93 Difference]: Finished difference Result 162 states and 177 transitions. [2018-02-04 03:38:24,832 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-02-04 03:38:24,833 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 22 [2018-02-04 03:38:24,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:38:24,835 INFO L225 Difference]: With dead ends: 162 [2018-02-04 03:38:24,835 INFO L226 Difference]: Without dead ends: 162 [2018-02-04 03:38:24,836 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=129, Invalid=291, Unknown=0, NotChecked=0, Total=420 [2018-02-04 03:38:24,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2018-02-04 03:38:24,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 149. [2018-02-04 03:38:24,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2018-02-04 03:38:24,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 164 transitions. [2018-02-04 03:38:24,838 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 164 transitions. Word has length 22 [2018-02-04 03:38:24,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:38:24,838 INFO L432 AbstractCegarLoop]: Abstraction has 149 states and 164 transitions. [2018-02-04 03:38:24,838 INFO L433 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-02-04 03:38:24,838 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 164 transitions. [2018-02-04 03:38:24,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-02-04 03:38:24,838 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:38:24,838 INFO L351 BasicCegarLoop]: trace histogram [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 03:38:24,838 INFO L371 AbstractCegarLoop]: === Iteration 9 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:38:24,839 INFO L82 PathProgramCache]: Analyzing trace with hash -1318343963, now seen corresponding path program 1 times [2018-02-04 03:38:24,839 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:38:24,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:38:24,845 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:38:24,914 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:38:24,914 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:38:24,914 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-02-04 03:38:24,914 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:38:24,914 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 03:38:24,914 INFO L182 omatonBuilderFactory]: Interpolants [3029#true, 3030#false, 3031#(and (= 0 (select (store (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 4) 0) main_~head~0.offset)) (= 0 (select (store (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 4) 0) main_~head~0.offset))), 3032#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 3033#(and (= |main_#t~mem12.offset| 0) (= 0 |main_#t~mem12.base|)), 3034#(not |main_#t~short14|)] [2018-02-04 03:38:24,915 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:38:24,915 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 03:38:24,915 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 03:38:24,915 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-02-04 03:38:24,915 INFO L87 Difference]: Start difference. First operand 149 states and 164 transitions. Second operand 6 states. [2018-02-04 03:38:25,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:38:25,062 INFO L93 Difference]: Finished difference Result 175 states and 192 transitions. [2018-02-04 03:38:25,062 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-02-04 03:38:25,062 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2018-02-04 03:38:25,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:38:25,063 INFO L225 Difference]: With dead ends: 175 [2018-02-04 03:38:25,063 INFO L226 Difference]: Without dead ends: 175 [2018-02-04 03:38:25,063 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-02-04 03:38:25,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2018-02-04 03:38:25,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 159. [2018-02-04 03:38:25,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2018-02-04 03:38:25,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 175 transitions. [2018-02-04 03:38:25,066 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 175 transitions. Word has length 27 [2018-02-04 03:38:25,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:38:25,066 INFO L432 AbstractCegarLoop]: Abstraction has 159 states and 175 transitions. [2018-02-04 03:38:25,066 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 03:38:25,067 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 175 transitions. [2018-02-04 03:38:25,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-02-04 03:38:25,067 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:38:25,067 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, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:38:25,068 INFO L371 AbstractCegarLoop]: === Iteration 10 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:38:25,068 INFO L82 PathProgramCache]: Analyzing trace with hash 421020147, now seen corresponding path program 1 times [2018-02-04 03:38:25,068 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:38:25,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:38:25,076 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:38:25,143 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 03:38:25,143 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:38:25,143 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-02-04 03:38:25,143 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:38:25,144 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 03:38:25,144 INFO L182 omatonBuilderFactory]: Interpolants [3376#false, 3377#(and (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) |main_#t~mem12.base|) (= |main_#t~mem12.offset| (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 3378#(or |main_#t~short14| (and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 3379#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 3380#(and (= 0 |main_#t~mem17.base|) (= |main_#t~mem17.offset| 0)), 3375#true] [2018-02-04 03:38:25,144 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 03:38:25,144 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 03:38:25,144 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 03:38:25,144 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-02-04 03:38:25,144 INFO L87 Difference]: Start difference. First operand 159 states and 175 transitions. Second operand 6 states. [2018-02-04 03:38:25,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:38:25,264 INFO L93 Difference]: Finished difference Result 181 states and 197 transitions. [2018-02-04 03:38:25,264 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-02-04 03:38:25,265 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 28 [2018-02-04 03:38:25,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:38:25,265 INFO L225 Difference]: With dead ends: 181 [2018-02-04 03:38:25,266 INFO L226 Difference]: Without dead ends: 181 [2018-02-04 03:38:25,266 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2018-02-04 03:38:25,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2018-02-04 03:38:25,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 171. [2018-02-04 03:38:25,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2018-02-04 03:38:25,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 189 transitions. [2018-02-04 03:38:25,270 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 189 transitions. Word has length 28 [2018-02-04 03:38:25,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:38:25,270 INFO L432 AbstractCegarLoop]: Abstraction has 171 states and 189 transitions. [2018-02-04 03:38:25,270 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 03:38:25,270 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 189 transitions. [2018-02-04 03:38:25,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-02-04 03:38:25,271 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:38:25,271 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:38:25,271 INFO L371 AbstractCegarLoop]: === Iteration 11 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:38:25,271 INFO L82 PathProgramCache]: Analyzing trace with hash 851488222, now seen corresponding path program 1 times [2018-02-04 03:38:25,272 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:38:25,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:38:25,282 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:38:25,322 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 03:38:25,322 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:38:25,322 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 03:38:25,322 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:38:25,322 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 03:38:25,322 INFO L182 omatonBuilderFactory]: Interpolants [3739#true, 3740#false, 3741#(and (= 12 (select |#length| |main_#t~malloc18.base|)) (= 0 |main_#t~malloc18.offset|)), 3742#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 3743#(and (= (select |#length| |main_#t~mem20.base|) 12) (= |main_#t~mem20.offset| 0))] [2018-02-04 03:38:25,322 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 03:38:25,323 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 03:38:25,323 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 03:38:25,323 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-04 03:38:25,323 INFO L87 Difference]: Start difference. First operand 171 states and 189 transitions. Second operand 5 states. [2018-02-04 03:38:25,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:38:25,441 INFO L93 Difference]: Finished difference Result 229 states and 252 transitions. [2018-02-04 03:38:25,441 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 03:38:25,441 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2018-02-04 03:38:25,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:38:25,442 INFO L225 Difference]: With dead ends: 229 [2018-02-04 03:38:25,442 INFO L226 Difference]: Without dead ends: 229 [2018-02-04 03:38:25,442 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 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 03:38:25,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2018-02-04 03:38:25,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 170. [2018-02-04 03:38:25,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2018-02-04 03:38:25,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 187 transitions. [2018-02-04 03:38:25,445 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 187 transitions. Word has length 30 [2018-02-04 03:38:25,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:38:25,445 INFO L432 AbstractCegarLoop]: Abstraction has 170 states and 187 transitions. [2018-02-04 03:38:25,446 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 03:38:25,446 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 187 transitions. [2018-02-04 03:38:25,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-02-04 03:38:25,446 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:38:25,446 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:38:25,446 INFO L371 AbstractCegarLoop]: === Iteration 12 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:38:25,447 INFO L82 PathProgramCache]: Analyzing trace with hash 851488221, now seen corresponding path program 1 times [2018-02-04 03:38:25,447 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:38:25,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:38:25,455 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:38:25,479 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 03:38:25,479 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:38:25,479 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 03:38:25,479 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:38:25,480 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 03:38:25,480 INFO L182 omatonBuilderFactory]: Interpolants [4149#true, 4150#false, 4151#(= 1 (select |#valid| |main_#t~malloc18.base|)), 4152#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 4153#(= 1 (select |#valid| |main_#t~mem20.base|))] [2018-02-04 03:38:25,480 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 03:38:25,480 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 03:38:25,480 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 03:38:25,480 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-04 03:38:25,481 INFO L87 Difference]: Start difference. First operand 170 states and 187 transitions. Second operand 5 states. [2018-02-04 03:38:25,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:38:25,585 INFO L93 Difference]: Finished difference Result 228 states and 250 transitions. [2018-02-04 03:38:25,585 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 03:38:25,585 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2018-02-04 03:38:25,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:38:25,586 INFO L225 Difference]: With dead ends: 228 [2018-02-04 03:38:25,586 INFO L226 Difference]: Without dead ends: 228 [2018-02-04 03:38:25,586 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-02-04 03:38:25,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2018-02-04 03:38:25,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 169. [2018-02-04 03:38:25,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2018-02-04 03:38:25,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 185 transitions. [2018-02-04 03:38:25,588 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 185 transitions. Word has length 30 [2018-02-04 03:38:25,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:38:25,589 INFO L432 AbstractCegarLoop]: Abstraction has 169 states and 185 transitions. [2018-02-04 03:38:25,589 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 03:38:25,589 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 185 transitions. [2018-02-04 03:38:25,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-02-04 03:38:25,589 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:38:25,589 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:38:25,589 INFO L371 AbstractCegarLoop]: === Iteration 13 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:38:25,589 INFO L82 PathProgramCache]: Analyzing trace with hash 1694170207, now seen corresponding path program 1 times [2018-02-04 03:38:25,590 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:38:25,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:38:25,597 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:38:25,656 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 03:38:25,656 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:38:25,656 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-02-04 03:38:25,656 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:38:25,657 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 03:38:25,657 INFO L182 omatonBuilderFactory]: Interpolants [4560#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 4561#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem20.base|))), 4562#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 4563#(= 1 (select |#valid| |main_#t~mem22.base|)), 4555#true, 4556#false, 4557#(= 1 (select |#valid| main_~head~0.base)), 4558#(= (select |#valid| main_~x~0.base) 1), 4559#(and (= 1 (select |#valid| |main_#t~malloc18.base|)) (not (= main_~x~0.base |main_#t~malloc18.base|)))] [2018-02-04 03:38:25,657 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 03:38:25,657 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-02-04 03:38:25,657 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-02-04 03:38:25,657 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-02-04 03:38:25,658 INFO L87 Difference]: Start difference. First operand 169 states and 185 transitions. Second operand 9 states. [2018-02-04 03:38:25,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:38:25,978 INFO L93 Difference]: Finished difference Result 170 states and 185 transitions. [2018-02-04 03:38:25,978 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-02-04 03:38:25,978 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 34 [2018-02-04 03:38:25,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:38:25,978 INFO L225 Difference]: With dead ends: 170 [2018-02-04 03:38:25,979 INFO L226 Difference]: Without dead ends: 170 [2018-02-04 03:38:25,979 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2018-02-04 03:38:25,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2018-02-04 03:38:25,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 168. [2018-02-04 03:38:25,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2018-02-04 03:38:25,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 184 transitions. [2018-02-04 03:38:25,981 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 184 transitions. Word has length 34 [2018-02-04 03:38:25,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:38:25,982 INFO L432 AbstractCegarLoop]: Abstraction has 168 states and 184 transitions. [2018-02-04 03:38:25,982 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-02-04 03:38:25,982 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 184 transitions. [2018-02-04 03:38:25,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-02-04 03:38:25,982 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:38:25,983 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:38:25,983 INFO L371 AbstractCegarLoop]: === Iteration 14 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:38:25,983 INFO L82 PathProgramCache]: Analyzing trace with hash 1694170208, now seen corresponding path program 1 times [2018-02-04 03:38:25,983 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:38:25,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:38:25,994 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:38:26,110 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 03:38:26,110 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:38:26,111 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-02-04 03:38:26,111 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:38:26,111 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 03:38:26,111 INFO L182 omatonBuilderFactory]: Interpolants [4912#true, 4913#false, 4914#(= 1 (select |#valid| main_~head~0.base)), 4915#(= (select |#valid| main_~x~0.base) 1), 4916#(and (= 12 (select |#length| |main_#t~malloc18.base|)) (= 0 |main_#t~malloc18.offset|) (not (= main_~x~0.base |main_#t~malloc18.base|))), 4917#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 4918#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem20.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~x~0.offset)) main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem20.base|))), 4919#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 4920#(and (= 12 (select |#length| |main_#t~mem22.base|)) (= 0 |main_#t~mem22.offset|)), 4921#(and (= main_~x~0.offset 0) (= (select |#length| main_~x~0.base) 12))] [2018-02-04 03:38:26,112 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 03:38:26,112 INFO L409 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-02-04 03:38:26,112 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-02-04 03:38:26,112 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-02-04 03:38:26,112 INFO L87 Difference]: Start difference. First operand 168 states and 184 transitions. Second operand 10 states. [2018-02-04 03:38:26,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:38:26,418 INFO L93 Difference]: Finished difference Result 169 states and 184 transitions. [2018-02-04 03:38:26,418 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-02-04 03:38:26,418 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 34 [2018-02-04 03:38:26,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:38:26,419 INFO L225 Difference]: With dead ends: 169 [2018-02-04 03:38:26,419 INFO L226 Difference]: Without dead ends: 169 [2018-02-04 03:38:26,419 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2018-02-04 03:38:26,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2018-02-04 03:38:26,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 166. [2018-02-04 03:38:26,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2018-02-04 03:38:26,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 182 transitions. [2018-02-04 03:38:26,422 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 182 transitions. Word has length 34 [2018-02-04 03:38:26,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:38:26,422 INFO L432 AbstractCegarLoop]: Abstraction has 166 states and 182 transitions. [2018-02-04 03:38:26,422 INFO L433 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-02-04 03:38:26,422 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 182 transitions. [2018-02-04 03:38:26,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-02-04 03:38:26,423 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:38:26,423 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] [2018-02-04 03:38:26,423 INFO L371 AbstractCegarLoop]: === Iteration 15 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:38:26,423 INFO L82 PathProgramCache]: Analyzing trace with hash -666441260, now seen corresponding path program 1 times [2018-02-04 03:38:26,424 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:38:26,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:38:26,435 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:38:26,558 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 03:38:26,558 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:38:26,558 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-02-04 03:38:26,558 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:38:26,558 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 03:38:26,558 INFO L182 omatonBuilderFactory]: Interpolants [5280#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 5281#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 5282#(= 1 (select |#valid| |main_#t~mem15.base|)), 5283#(= 1 (select |#valid| main_~x~0.base)), 5271#true, 5272#false, 5273#(= 1 (select |#valid| main_~head~0.base)), 5274#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 5275#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| |main_#t~malloc5.base|)) (= main_~x~0.base main_~head~0.base)), 5276#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base)), 5277#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|))), 5278#(and (not (= main_~head~0.base |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 5279#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)))] [2018-02-04 03:38:26,558 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 03:38:26,559 INFO L409 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-02-04 03:38:26,559 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-02-04 03:38:26,559 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2018-02-04 03:38:26,559 INFO L87 Difference]: Start difference. First operand 166 states and 182 transitions. Second operand 13 states. [2018-02-04 03:38:26,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:38:26,940 INFO L93 Difference]: Finished difference Result 252 states and 274 transitions. [2018-02-04 03:38:26,940 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-02-04 03:38:26,940 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 39 [2018-02-04 03:38:26,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:38:26,940 INFO L225 Difference]: With dead ends: 252 [2018-02-04 03:38:26,941 INFO L226 Difference]: Without dead ends: 252 [2018-02-04 03:38:26,941 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=137, Invalid=415, Unknown=0, NotChecked=0, Total=552 [2018-02-04 03:38:26,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2018-02-04 03:38:26,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 191. [2018-02-04 03:38:26,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2018-02-04 03:38:26,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 211 transitions. [2018-02-04 03:38:26,943 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 211 transitions. Word has length 39 [2018-02-04 03:38:26,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:38:26,943 INFO L432 AbstractCegarLoop]: Abstraction has 191 states and 211 transitions. [2018-02-04 03:38:26,943 INFO L433 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-02-04 03:38:26,943 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 211 transitions. [2018-02-04 03:38:26,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-02-04 03:38:26,944 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:38:26,944 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] [2018-02-04 03:38:26,944 INFO L371 AbstractCegarLoop]: === Iteration 16 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:38:26,944 INFO L82 PathProgramCache]: Analyzing trace with hash -666441259, now seen corresponding path program 1 times [2018-02-04 03:38:26,945 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:38:26,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:38:26,952 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:38:27,273 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 03:38:27,274 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:38:27,274 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-02-04 03:38:27,274 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:38:27,274 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 03:38:27,274 INFO L182 omatonBuilderFactory]: Interpolants [5760#(and (or (and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base main_~head~0.base))) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))), 5761#(and (or (and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (<= 0 main_~x~0.offset) (not (= main_~x~0.base main_~head~0.base))) (and (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))) (or (and (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 5762#(and (or (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 5763#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (or (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 5764#(and (or (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 |main_#t~mem12.base|)) (= |main_#t~mem12.offset| 0) (= |main_#t~mem12.offset| (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 5765#(or (and (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (not |main_#t~short14|)), 5766#(and (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 5767#(and (= 0 |main_#t~mem15.offset|) (<= 12 (select |#length| |main_#t~mem15.base|))), 5768#(and (<= 12 (select |#length| main_~x~0.base)) (= main_~x~0.offset 0)), 5749#true, 5750#false, 5751#(= |main_#t~malloc0.offset| 0), 5752#(= main_~head~0.offset 0), 5753#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 5754#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 5755#(and (= 0 |main_#t~malloc5.offset|) (= main_~head~0.offset |main_#t~malloc5.offset|) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 5756#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base)), 5757#(and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|))), 5758#(and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base)), 5759#(and (= |main_#t~mem9.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset |main_#t~mem9.offset|) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))] [2018-02-04 03:38:27,275 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 03:38:27,275 INFO L409 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-02-04 03:38:27,275 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-02-04 03:38:27,275 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2018-02-04 03:38:27,276 INFO L87 Difference]: Start difference. First operand 191 states and 211 transitions. Second operand 20 states. [2018-02-04 03:38:28,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:38:28,515 INFO L93 Difference]: Finished difference Result 322 states and 352 transitions. [2018-02-04 03:38:28,547 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-02-04 03:38:28,548 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 39 [2018-02-04 03:38:28,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:38:28,549 INFO L225 Difference]: With dead ends: 322 [2018-02-04 03:38:28,549 INFO L226 Difference]: Without dead ends: 322 [2018-02-04 03:38:28,550 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 527 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=482, Invalid=1870, Unknown=0, NotChecked=0, Total=2352 [2018-02-04 03:38:28,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2018-02-04 03:38:28,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 189. [2018-02-04 03:38:28,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2018-02-04 03:38:28,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 208 transitions. [2018-02-04 03:38:28,554 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 208 transitions. Word has length 39 [2018-02-04 03:38:28,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:38:28,554 INFO L432 AbstractCegarLoop]: Abstraction has 189 states and 208 transitions. [2018-02-04 03:38:28,554 INFO L433 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-02-04 03:38:28,555 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 208 transitions. [2018-02-04 03:38:28,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-02-04 03:38:28,555 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:38:28,555 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, 1, 1] [2018-02-04 03:38:28,555 INFO L371 AbstractCegarLoop]: === Iteration 17 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:38:28,556 INFO L82 PathProgramCache]: Analyzing trace with hash -451805530, now seen corresponding path program 1 times [2018-02-04 03:38:28,556 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:38:28,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:38:28,567 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:38:28,716 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:38:28,716 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:38:28,716 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2018-02-04 03:38:28,716 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:38:28,717 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 03:38:28,717 INFO L182 omatonBuilderFactory]: Interpolants [6338#true, 6339#false, 6340#(= 1 (select |#valid| main_~head~0.base)), 6341#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 6342#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| |main_#t~malloc5.base|)) (= main_~x~0.base main_~head~0.base)), 6343#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base)), 6344#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|))), 6345#(and (not (= main_~head~0.base |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 6346#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 6347#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 6348#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 6349#(= 1 (select |#valid| |main_#t~mem25.base|))] [2018-02-04 03:38:28,717 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:38:28,717 INFO L409 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-02-04 03:38:28,717 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-02-04 03:38:28,717 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2018-02-04 03:38:28,718 INFO L87 Difference]: Start difference. First operand 189 states and 208 transitions. Second operand 12 states. [2018-02-04 03:38:29,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:38:29,252 INFO L93 Difference]: Finished difference Result 272 states and 298 transitions. [2018-02-04 03:38:29,252 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-02-04 03:38:29,252 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 40 [2018-02-04 03:38:29,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:38:29,253 INFO L225 Difference]: With dead ends: 272 [2018-02-04 03:38:29,253 INFO L226 Difference]: Without dead ends: 272 [2018-02-04 03:38:29,253 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=107, Invalid=355, Unknown=0, NotChecked=0, Total=462 [2018-02-04 03:38:29,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2018-02-04 03:38:29,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 197. [2018-02-04 03:38:29,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2018-02-04 03:38:29,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 218 transitions. [2018-02-04 03:38:29,257 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 218 transitions. Word has length 40 [2018-02-04 03:38:29,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:38:29,257 INFO L432 AbstractCegarLoop]: Abstraction has 197 states and 218 transitions. [2018-02-04 03:38:29,257 INFO L433 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-02-04 03:38:29,257 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 218 transitions. [2018-02-04 03:38:29,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-02-04 03:38:29,257 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:38:29,258 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, 1, 1] [2018-02-04 03:38:29,258 INFO L371 AbstractCegarLoop]: === Iteration 18 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:38:29,258 INFO L82 PathProgramCache]: Analyzing trace with hash -451805529, now seen corresponding path program 1 times [2018-02-04 03:38:29,259 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:38:29,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:38:29,276 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:38:29,432 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:38:29,432 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:38:29,432 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2018-02-04 03:38:29,432 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:38:29,433 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 03:38:29,433 INFO L182 omatonBuilderFactory]: Interpolants [6848#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 6849#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 6850#(and (= |main_#t~mem25.offset| 0) (= (select |#length| |main_#t~mem25.base|) 12)), 6839#true, 6840#false, 6841#(= 1 (select |#valid| main_~head~0.base)), 6842#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 6843#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= 12 (select |#length| |main_#t~malloc5.base|)) (= main_~x~0.base main_~head~0.base)), 6844#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base)), 6845#(and (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|))), 6846#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem9.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 6847#(and (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))))] [2018-02-04 03:38:29,433 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:38:29,433 INFO L409 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-02-04 03:38:29,433 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-02-04 03:38:29,433 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2018-02-04 03:38:29,433 INFO L87 Difference]: Start difference. First operand 197 states and 218 transitions. Second operand 12 states. [2018-02-04 03:38:29,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:38:29,787 INFO L93 Difference]: Finished difference Result 272 states and 298 transitions. [2018-02-04 03:38:29,787 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-02-04 03:38:29,787 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 40 [2018-02-04 03:38:29,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:38:29,788 INFO L225 Difference]: With dead ends: 272 [2018-02-04 03:38:29,788 INFO L226 Difference]: Without dead ends: 272 [2018-02-04 03:38:29,788 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=319, Unknown=0, NotChecked=0, Total=420 [2018-02-04 03:38:29,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2018-02-04 03:38:29,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 197. [2018-02-04 03:38:29,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2018-02-04 03:38:29,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 217 transitions. [2018-02-04 03:38:29,790 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 217 transitions. Word has length 40 [2018-02-04 03:38:29,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:38:29,790 INFO L432 AbstractCegarLoop]: Abstraction has 197 states and 217 transitions. [2018-02-04 03:38:29,790 INFO L433 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-02-04 03:38:29,790 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 217 transitions. [2018-02-04 03:38:29,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-02-04 03:38:29,791 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:38:29,791 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, 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 03:38:29,791 INFO L371 AbstractCegarLoop]: === Iteration 19 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:38:29,791 INFO L82 PathProgramCache]: Analyzing trace with hash 1066831637, now seen corresponding path program 1 times [2018-02-04 03:38:29,791 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:38:29,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:38:29,796 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:38:29,832 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 03:38:29,833 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:38:29,833 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 03:38:29,833 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:38:29,833 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 03:38:29,833 INFO L182 omatonBuilderFactory]: Interpolants [7338#true, 7339#false, 7340#(not (= 0 |main_#t~malloc0.base|)), 7341#(not (= 0 main_~head~0.base)), 7342#(not (= 0 main_~x~0.base))] [2018-02-04 03:38:29,833 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 03:38:29,833 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 03:38:29,834 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 03:38:29,834 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-04 03:38:29,834 INFO L87 Difference]: Start difference. First operand 197 states and 217 transitions. Second operand 5 states. [2018-02-04 03:38:29,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:38:29,924 INFO L93 Difference]: Finished difference Result 234 states and 256 transitions. [2018-02-04 03:38:29,924 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 03:38:29,924 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 42 [2018-02-04 03:38:29,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:38:29,925 INFO L225 Difference]: With dead ends: 234 [2018-02-04 03:38:29,925 INFO L226 Difference]: Without dead ends: 234 [2018-02-04 03:38:29,925 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-02-04 03:38:29,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2018-02-04 03:38:29,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 197. [2018-02-04 03:38:29,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2018-02-04 03:38:29,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 216 transitions. [2018-02-04 03:38:29,927 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 216 transitions. Word has length 42 [2018-02-04 03:38:29,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:38:29,927 INFO L432 AbstractCegarLoop]: Abstraction has 197 states and 216 transitions. [2018-02-04 03:38:29,927 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 03:38:29,927 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 216 transitions. [2018-02-04 03:38:29,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-02-04 03:38:29,928 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:38:29,928 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, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:38:29,928 INFO L371 AbstractCegarLoop]: === Iteration 20 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:38:29,928 INFO L82 PathProgramCache]: Analyzing trace with hash -1564650456, now seen corresponding path program 1 times [2018-02-04 03:38:29,929 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:38:29,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:38:29,939 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:38:30,076 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:38:30,076 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:38:30,076 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2018-02-04 03:38:30,076 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:38:30,076 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 03:38:30,077 INFO L182 omatonBuilderFactory]: Interpolants [7778#true, 7779#false, 7780#(= 1 (select |#valid| main_~head~0.base)), 7781#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 7782#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| |main_#t~malloc18.base|)) (not (= main_~x~0.base |main_#t~malloc18.base|)) (= main_~x~0.base main_~head~0.base)), 7783#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base)), 7784#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem20.base|))), 7785#(and (not (= main_~head~0.base |main_#t~mem22.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 7786#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 7787#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 7788#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 7789#(= 1 (select |#valid| |main_#t~mem27.base|)), 7790#(= 1 (select |#valid| main_~next~0.base)), 7791#(= 1 (select |#valid| main_~x~0.base))] [2018-02-04 03:38:30,077 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:38:30,077 INFO L409 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-02-04 03:38:30,077 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-02-04 03:38:30,077 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2018-02-04 03:38:30,077 INFO L87 Difference]: Start difference. First operand 197 states and 216 transitions. Second operand 14 states. [2018-02-04 03:38:30,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:38:30,506 INFO L93 Difference]: Finished difference Result 292 states and 317 transitions. [2018-02-04 03:38:30,506 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-02-04 03:38:30,506 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 46 [2018-02-04 03:38:30,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:38:30,507 INFO L225 Difference]: With dead ends: 292 [2018-02-04 03:38:30,507 INFO L226 Difference]: Without dead ends: 292 [2018-02-04 03:38:30,507 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=554, Unknown=0, NotChecked=0, Total=702 [2018-02-04 03:38:30,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2018-02-04 03:38:30,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 235. [2018-02-04 03:38:30,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235 states. [2018-02-04 03:38:30,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 259 transitions. [2018-02-04 03:38:30,510 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 259 transitions. Word has length 46 [2018-02-04 03:38:30,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:38:30,515 INFO L432 AbstractCegarLoop]: Abstraction has 235 states and 259 transitions. [2018-02-04 03:38:30,515 INFO L433 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-02-04 03:38:30,516 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 259 transitions. [2018-02-04 03:38:30,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-02-04 03:38:30,516 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:38:30,516 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, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:38:30,516 INFO L371 AbstractCegarLoop]: === Iteration 21 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:38:30,516 INFO L82 PathProgramCache]: Analyzing trace with hash -1564650455, now seen corresponding path program 1 times [2018-02-04 03:38:30,517 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:38:30,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:38:30,528 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:38:30,707 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:38:30,707 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:38:30,707 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-02-04 03:38:30,707 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:38:30,707 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 03:38:30,708 INFO L182 omatonBuilderFactory]: Interpolants [8352#(and (not (= main_~head~0.base |main_#t~mem22.base|)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 8353#(and (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)))), 8354#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 8355#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 8356#(and (= |main_#t~mem27.offset| (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 12 (select |#length| |main_#t~mem27.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 8357#(and (= 12 (select |#length| main_~next~0.base)) (= main_~next~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 8358#(and (= 12 (select |#length| main_~next~0.base)) (= 0 main_~next~0.offset)), 8359#(and (= (select |#length| main_~x~0.base) 12) (= 0 main_~x~0.offset)), 8345#true, 8346#false, 8347#(= 1 (select |#valid| main_~head~0.base)), 8348#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 8349#(and (= 12 (select |#length| |main_#t~malloc18.base|)) (= 0 |main_#t~malloc18.offset|) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc18.base|)) (= main_~x~0.base main_~head~0.base)), 8350#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base)), 8351#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem20.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~x~0.offset)) main_~x~0.base) main_~head~0.offset)) (not (= main_~x~0.base |main_#t~mem20.base|)))] [2018-02-04 03:38:30,708 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:38:30,708 INFO L409 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-02-04 03:38:30,708 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-02-04 03:38:30,708 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2018-02-04 03:38:30,708 INFO L87 Difference]: Start difference. First operand 235 states and 259 transitions. Second operand 15 states. [2018-02-04 03:38:31,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:38:31,227 INFO L93 Difference]: Finished difference Result 292 states and 319 transitions. [2018-02-04 03:38:31,228 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-02-04 03:38:31,228 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 46 [2018-02-04 03:38:31,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:38:31,228 INFO L225 Difference]: With dead ends: 292 [2018-02-04 03:38:31,228 INFO L226 Difference]: Without dead ends: 292 [2018-02-04 03:38:31,229 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=117, Invalid=533, Unknown=0, NotChecked=0, Total=650 [2018-02-04 03:38:31,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2018-02-04 03:38:31,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 234. [2018-02-04 03:38:31,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2018-02-04 03:38:31,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 257 transitions. [2018-02-04 03:38:31,231 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 257 transitions. Word has length 46 [2018-02-04 03:38:31,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:38:31,231 INFO L432 AbstractCegarLoop]: Abstraction has 234 states and 257 transitions. [2018-02-04 03:38:31,231 INFO L433 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-02-04 03:38:31,231 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 257 transitions. [2018-02-04 03:38:31,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-02-04 03:38:31,232 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:38:31,232 INFO L351 BasicCegarLoop]: trace histogram [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 03:38:31,232 INFO L371 AbstractCegarLoop]: === Iteration 22 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:38:31,232 INFO L82 PathProgramCache]: Analyzing trace with hash 777046974, now seen corresponding path program 1 times [2018-02-04 03:38:31,232 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:38:31,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:38:31,238 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:38:31,279 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:38:31,279 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:38:31,280 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2018-02-04 03:38:31,280 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:38:31,280 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 03:38:31,280 INFO L182 omatonBuilderFactory]: Interpolants [8912#(= 1 (select |#valid| main_~head~0.base)), 8913#(= 1 (select |#valid| main_~x~0.base)), 8914#(= 1 (select |#valid| main_~prev~0.base)), 8908#true, 8909#false, 8910#(= main_~x~0.base main_~head~0.base), 8911#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.base main_~head~0.base))] [2018-02-04 03:38:31,280 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:38:31,281 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-02-04 03:38:31,281 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-02-04 03:38:31,281 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-02-04 03:38:31,281 INFO L87 Difference]: Start difference. First operand 234 states and 257 transitions. Second operand 7 states. [2018-02-04 03:38:31,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:38:31,417 INFO L93 Difference]: Finished difference Result 285 states and 310 transitions. [2018-02-04 03:38:31,417 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-02-04 03:38:31,417 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 49 [2018-02-04 03:38:31,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:38:31,418 INFO L225 Difference]: With dead ends: 285 [2018-02-04 03:38:31,418 INFO L226 Difference]: Without dead ends: 285 [2018-02-04 03:38:31,419 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2018-02-04 03:38:31,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2018-02-04 03:38:31,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 239. [2018-02-04 03:38:31,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 239 states. [2018-02-04 03:38:31,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 266 transitions. [2018-02-04 03:38:31,421 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 266 transitions. Word has length 49 [2018-02-04 03:38:31,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:38:31,421 INFO L432 AbstractCegarLoop]: Abstraction has 239 states and 266 transitions. [2018-02-04 03:38:31,421 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-02-04 03:38:31,421 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 266 transitions. [2018-02-04 03:38:31,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-02-04 03:38:31,421 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:38:31,421 INFO L351 BasicCegarLoop]: trace histogram [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 03:38:31,421 INFO L371 AbstractCegarLoop]: === Iteration 23 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:38:31,422 INFO L82 PathProgramCache]: Analyzing trace with hash 777046975, now seen corresponding path program 1 times [2018-02-04 03:38:31,422 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:38:31,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:38:31,429 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:38:31,568 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:38:31,568 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:38:31,568 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2018-02-04 03:38:31,568 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:38:31,568 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 03:38:31,569 INFO L182 omatonBuilderFactory]: Interpolants [9456#(and (= 0 main_~prev~0.offset) (<= 12 (select |#length| main_~prev~0.base))), 9457#(and (<= 12 (select |#length| main_~x~0.base)) (= 0 main_~x~0.offset)), 9448#true, 9449#false, 9450#(and (= 0 |main_#t~malloc0.offset|) (= 12 (select |#length| |main_#t~malloc0.base|))), 9451#(and (= 0 main_~head~0.offset) (= 12 (select |#length| main_~head~0.base))), 9452#(and (= 0 main_~head~0.offset) (= 12 (select |#length| main_~head~0.base)) (= 1 (select |#valid| main_~head~0.base))), 9453#(and (= 0 main_~head~0.offset) (= 12 (select |#length| main_~x~0.base)) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 9454#(and (= 0 main_~head~0.offset) (= 12 (select |#length| main_~x~0.base)) (= main_~x~0.base main_~head~0.base)), 9455#(and (= (select |#length| main_~x~0.base) 12) (= 0 main_~x~0.offset))] [2018-02-04 03:38:31,569 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:38:31,569 INFO L409 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-02-04 03:38:31,569 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-02-04 03:38:31,569 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-02-04 03:38:31,569 INFO L87 Difference]: Start difference. First operand 239 states and 266 transitions. Second operand 10 states. [2018-02-04 03:38:31,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:38:31,883 INFO L93 Difference]: Finished difference Result 329 states and 366 transitions. [2018-02-04 03:38:31,883 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-02-04 03:38:31,883 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 49 [2018-02-04 03:38:31,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:38:31,884 INFO L225 Difference]: With dead ends: 329 [2018-02-04 03:38:31,884 INFO L226 Difference]: Without dead ends: 329 [2018-02-04 03:38:31,884 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2018-02-04 03:38:31,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2018-02-04 03:38:31,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 262. [2018-02-04 03:38:31,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2018-02-04 03:38:31,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 295 transitions. [2018-02-04 03:38:31,888 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 295 transitions. Word has length 49 [2018-02-04 03:38:31,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:38:31,888 INFO L432 AbstractCegarLoop]: Abstraction has 262 states and 295 transitions. [2018-02-04 03:38:31,888 INFO L433 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-02-04 03:38:31,888 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 295 transitions. [2018-02-04 03:38:31,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-02-04 03:38:31,889 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:38:31,889 INFO L351 BasicCegarLoop]: trace histogram [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] [2018-02-04 03:38:31,889 INFO L371 AbstractCegarLoop]: === Iteration 24 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:38:31,889 INFO L82 PathProgramCache]: Analyzing trace with hash -1781099676, now seen corresponding path program 2 times [2018-02-04 03:38:31,890 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:38:31,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:38:31,901 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:38:32,393 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:38:32,393 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:38:32,394 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-02-04 03:38:32,394 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:38:32,394 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 03:38:32,394 INFO L182 omatonBuilderFactory]: Interpolants [10080#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 10081#(and (= |main_#t~mem12.offset| 0) (= 0 |main_#t~mem12.base|)), 10082#(not |main_#t~short14|), 10061#true, 10062#false, 10063#(= |main_#t~malloc0.offset| 0), 10064#(= main_~head~0.offset 0), 10065#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 10066#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 10067#(and (= 0 |main_#t~malloc5.offset|) (= main_~head~0.offset |main_#t~malloc5.offset|) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 10068#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 10069#(and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem7.base|))), 10070#(and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 10071#(and (= 0 |main_#t~mem9.offset|) (= |main_#t~mem9.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset |main_#t~mem9.offset|) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 10072#(and (or (and (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base))) (or (and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= main_~x~0.offset 0)) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)))), 10073#(and (or (and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (and (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))) (or (and (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 10074#(and (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 10075#(and (or (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 10076#(and (= |main_#t~mem12.offset| 0) (or (and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) |main_#t~mem12.offset|) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= 0 |main_#t~mem12.base|))), 10077#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not |main_#t~short14|)), 10078#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 10079#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)))] [2018-02-04 03:38:32,394 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:38:32,394 INFO L409 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-02-04 03:38:32,395 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-02-04 03:38:32,395 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=398, Unknown=0, NotChecked=0, Total=462 [2018-02-04 03:38:32,395 INFO L87 Difference]: Start difference. First operand 262 states and 295 transitions. Second operand 22 states. [2018-02-04 03:38:34,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:38:34,011 INFO L93 Difference]: Finished difference Result 305 states and 335 transitions. [2018-02-04 03:38:34,029 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-02-04 03:38:34,029 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 49 [2018-02-04 03:38:34,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:38:34,030 INFO L225 Difference]: With dead ends: 305 [2018-02-04 03:38:34,030 INFO L226 Difference]: Without dead ends: 305 [2018-02-04 03:38:34,031 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 506 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=453, Invalid=1803, Unknown=0, NotChecked=0, Total=2256 [2018-02-04 03:38:34,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2018-02-04 03:38:34,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 255. [2018-02-04 03:38:34,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 255 states. [2018-02-04 03:38:34,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 285 transitions. [2018-02-04 03:38:34,033 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 285 transitions. Word has length 49 [2018-02-04 03:38:34,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:38:34,033 INFO L432 AbstractCegarLoop]: Abstraction has 255 states and 285 transitions. [2018-02-04 03:38:34,033 INFO L433 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-02-04 03:38:34,034 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 285 transitions. [2018-02-04 03:38:34,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-02-04 03:38:34,034 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:38:34,034 INFO L351 BasicCegarLoop]: trace histogram [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] [2018-02-04 03:38:34,034 INFO L371 AbstractCegarLoop]: === Iteration 25 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:38:34,034 INFO L82 PathProgramCache]: Analyzing trace with hash -158844349, now seen corresponding path program 3 times [2018-02-04 03:38:34,035 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:38:34,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:38:34,049 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:38:34,321 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:38:34,321 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:38:34,321 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-02-04 03:38:34,321 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:38:34,322 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 03:38:34,322 INFO L182 omatonBuilderFactory]: Interpolants [10695#true, 10696#false, 10697#(= 1 (select |#valid| main_~head~0.base)), 10698#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 10699#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 10700#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 10701#(and (= main_~x~0.offset main_~head~0.offset) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= (select |#valid| main_~x~0.base) 1)), 10702#(and (= |main_#t~mem9.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= (select |#valid| main_~head~0.base) 1)), 10703#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base))), 10704#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base))), 10705#(and (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset))), 10706#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 10707#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem7.base|))), 10708#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 10709#(and (not (= main_~head~0.base |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 10710#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 10711#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 10712#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 10713#(= 1 (select |#valid| |main_#t~mem15.base|)), 10714#(= 1 (select |#valid| main_~x~0.base))] [2018-02-04 03:38:34,322 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:38:34,322 INFO L409 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-02-04 03:38:34,322 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-02-04 03:38:34,322 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2018-02-04 03:38:34,323 INFO L87 Difference]: Start difference. First operand 255 states and 285 transitions. Second operand 20 states. [2018-02-04 03:38:35,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:38:35,087 INFO L93 Difference]: Finished difference Result 347 states and 383 transitions. [2018-02-04 03:38:35,087 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-02-04 03:38:35,088 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 51 [2018-02-04 03:38:35,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:38:35,089 INFO L225 Difference]: With dead ends: 347 [2018-02-04 03:38:35,089 INFO L226 Difference]: Without dead ends: 347 [2018-02-04 03:38:35,089 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 306 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=303, Invalid=1179, Unknown=0, NotChecked=0, Total=1482 [2018-02-04 03:38:35,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2018-02-04 03:38:35,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 280. [2018-02-04 03:38:35,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2018-02-04 03:38:35,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 314 transitions. [2018-02-04 03:38:35,093 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 314 transitions. Word has length 51 [2018-02-04 03:38:35,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:38:35,093 INFO L432 AbstractCegarLoop]: Abstraction has 280 states and 314 transitions. [2018-02-04 03:38:35,093 INFO L433 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-02-04 03:38:35,093 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 314 transitions. [2018-02-04 03:38:35,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-02-04 03:38:35,094 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:38:35,094 INFO L351 BasicCegarLoop]: trace histogram [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] [2018-02-04 03:38:35,094 INFO L371 AbstractCegarLoop]: === Iteration 26 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:38:35,094 INFO L82 PathProgramCache]: Analyzing trace with hash -158844348, now seen corresponding path program 2 times [2018-02-04 03:38:35,095 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:38:35,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:38:35,110 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:38:35,457 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:38:35,457 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:38:35,457 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-02-04 03:38:35,457 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:38:35,457 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 03:38:35,457 INFO L182 omatonBuilderFactory]: Interpolants [11392#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (<= 4 (select |#length| main_~x~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base |main_#t~mem7.base|))), 11393#(and (<= 4 (select |#length| main_~x~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 11394#(and (not (= main_~head~0.base |main_#t~mem9.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (<= 4 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 11395#(and (<= 4 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))), 11396#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (<= 4 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 11397#(and (<= 4 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 11398#(and (<= 4 (select |#length| |main_#t~mem15.base|)) (= 0 |main_#t~mem15.offset|)), 11399#(and (<= 4 (select |#length| main_~x~0.base)) (= main_~x~0.offset 0)), 11380#true, 11381#false, 11382#(= 1 (select |#valid| main_~head~0.base)), 11383#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 11384#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 11385#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 11386#(and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= (select |#valid| main_~x~0.base) 1)), 11387#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|) (not (= main_~head~0.base |main_#t~mem9.base|)) (= (select |#valid| main_~head~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 11388#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))), 11389#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (<= 0 main_~x~0.offset) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 11390#(and (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (<= 0 main_~x~0.offset) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset))), 11391#(and (<= 4 (select |#length| main_~x~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))] [2018-02-04 03:38:35,457 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:38:35,458 INFO L409 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-02-04 03:38:35,458 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-02-04 03:38:35,458 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2018-02-04 03:38:35,458 INFO L87 Difference]: Start difference. First operand 280 states and 314 transitions. Second operand 20 states. [2018-02-04 03:38:36,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:38:36,456 INFO L93 Difference]: Finished difference Result 376 states and 417 transitions. [2018-02-04 03:38:36,456 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-02-04 03:38:36,456 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 51 [2018-02-04 03:38:36,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:38:36,457 INFO L225 Difference]: With dead ends: 376 [2018-02-04 03:38:36,457 INFO L226 Difference]: Without dead ends: 376 [2018-02-04 03:38:36,458 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 248 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=206, Invalid=1126, Unknown=0, NotChecked=0, Total=1332 [2018-02-04 03:38:36,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2018-02-04 03:38:36,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 294. [2018-02-04 03:38:36,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2018-02-04 03:38:36,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 332 transitions. [2018-02-04 03:38:36,462 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 332 transitions. Word has length 51 [2018-02-04 03:38:36,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:38:36,462 INFO L432 AbstractCegarLoop]: Abstraction has 294 states and 332 transitions. [2018-02-04 03:38:36,462 INFO L433 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-02-04 03:38:36,463 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 332 transitions. [2018-02-04 03:38:36,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-02-04 03:38:36,463 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:38:36,463 INFO L351 BasicCegarLoop]: trace histogram [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] [2018-02-04 03:38:36,463 INFO L371 AbstractCegarLoop]: === Iteration 27 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:38:36,464 INFO L82 PathProgramCache]: Analyzing trace with hash -867348638, now seen corresponding path program 1 times [2018-02-04 03:38:36,464 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:38:36,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:38:36,471 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:38:36,505 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:38:36,505 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:38:36,505 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2018-02-04 03:38:36,505 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:38:36,506 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 03:38:36,506 INFO L182 omatonBuilderFactory]: Interpolants [12104#true, 12105#false, 12106#(not (= 0 |main_#t~malloc0.base|)), 12107#(not (= 0 main_~head~0.base)), 12108#(not (= 0 main_~x~0.base)), 12109#(not (= 0 main_~prev~0.base))] [2018-02-04 03:38:36,506 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:38:36,506 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 03:38:36,506 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 03:38:36,506 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-02-04 03:38:36,507 INFO L87 Difference]: Start difference. First operand 294 states and 332 transitions. Second operand 6 states. [2018-02-04 03:38:36,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:38:36,608 INFO L93 Difference]: Finished difference Result 369 states and 408 transitions. [2018-02-04 03:38:36,608 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-02-04 03:38:36,608 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 52 [2018-02-04 03:38:36,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:38:36,611 INFO L225 Difference]: With dead ends: 369 [2018-02-04 03:38:36,611 INFO L226 Difference]: Without dead ends: 369 [2018-02-04 03:38:36,611 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2018-02-04 03:38:36,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2018-02-04 03:38:36,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 315. [2018-02-04 03:38:36,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 315 states. [2018-02-04 03:38:36,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 365 transitions. [2018-02-04 03:38:36,615 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 365 transitions. Word has length 52 [2018-02-04 03:38:36,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:38:36,615 INFO L432 AbstractCegarLoop]: Abstraction has 315 states and 365 transitions. [2018-02-04 03:38:36,615 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 03:38:36,615 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 365 transitions. [2018-02-04 03:38:36,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-02-04 03:38:36,615 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:38:36,615 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:38:36,615 INFO L371 AbstractCegarLoop]: === Iteration 28 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:38:36,616 INFO L82 PathProgramCache]: Analyzing trace with hash 962215684, now seen corresponding path program 1 times [2018-02-04 03:38:36,616 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:38:36,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:38:36,623 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:38:36,817 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:38:36,817 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:38:36,817 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-02-04 03:38:36,818 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:38:36,818 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 03:38:36,818 INFO L182 omatonBuilderFactory]: Interpolants [12804#true, 12805#false, 12806#(= 1 (select |#valid| main_~head~0.base)), 12807#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 12808#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| |main_#t~malloc5.base|)) (= main_~x~0.base main_~head~0.base)), 12809#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base)), 12810#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~head~0.offset)))), 12811#(and (not (= main_~head~0.base |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 12812#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)))), 12813#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 12814#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 12815#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem25.base| main_~head~0.base))), 12816#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 12817#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 12818#(= 1 (select |#valid| |main_#t~mem27.base|)), 12819#(= 1 (select |#valid| main_~next~0.base)), 12820#(= 1 (select |#valid| main_~x~0.base))] [2018-02-04 03:38:36,818 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:38:36,818 INFO L409 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-02-04 03:38:36,818 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-02-04 03:38:36,818 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=224, Unknown=0, NotChecked=0, Total=272 [2018-02-04 03:38:36,819 INFO L87 Difference]: Start difference. First operand 315 states and 365 transitions. Second operand 17 states. [2018-02-04 03:38:37,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:38:37,466 INFO L93 Difference]: Finished difference Result 402 states and 459 transitions. [2018-02-04 03:38:37,467 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-02-04 03:38:37,467 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 52 [2018-02-04 03:38:37,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:38:37,468 INFO L225 Difference]: With dead ends: 402 [2018-02-04 03:38:37,468 INFO L226 Difference]: Without dead ends: 402 [2018-02-04 03:38:37,468 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=224, Invalid=832, Unknown=0, NotChecked=0, Total=1056 [2018-02-04 03:38:37,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2018-02-04 03:38:37,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 327. [2018-02-04 03:38:37,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 327 states. [2018-02-04 03:38:37,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 379 transitions. [2018-02-04 03:38:37,473 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 379 transitions. Word has length 52 [2018-02-04 03:38:37,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:38:37,473 INFO L432 AbstractCegarLoop]: Abstraction has 327 states and 379 transitions. [2018-02-04 03:38:37,473 INFO L433 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-02-04 03:38:37,474 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 379 transitions. [2018-02-04 03:38:37,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-02-04 03:38:37,474 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:38:37,474 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:38:37,474 INFO L371 AbstractCegarLoop]: === Iteration 29 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:38:37,475 INFO L82 PathProgramCache]: Analyzing trace with hash 962215685, now seen corresponding path program 1 times [2018-02-04 03:38:37,475 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:38:37,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:38:37,486 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:38:37,749 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:38:37,749 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:38:37,749 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-02-04 03:38:37,750 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:38:37,750 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 03:38:37,750 INFO L182 omatonBuilderFactory]: Interpolants [13582#true, 13583#false, 13584#(= 1 (select |#valid| main_~head~0.base)), 13585#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 13586#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= 12 (select |#length| |main_#t~malloc5.base|)) (= main_~x~0.base main_~head~0.base)), 13587#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base)), 13588#(and (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~head~0.offset)))), 13589#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem9.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 13590#(and (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)))), 13591#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 13592#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 13593#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem25.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 13594#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 13595#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 13596#(and (= |main_#t~mem27.offset| (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 12 (select |#length| |main_#t~mem27.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 13597#(and (= 12 (select |#length| main_~next~0.base)) (= main_~next~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 13598#(and (= 12 (select |#length| main_~next~0.base)) (= 0 main_~next~0.offset)), 13599#(and (= (select |#length| main_~x~0.base) 12) (= 0 main_~x~0.offset))] [2018-02-04 03:38:37,750 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:38:37,750 INFO L409 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-02-04 03:38:37,750 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-02-04 03:38:37,750 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=256, Unknown=0, NotChecked=0, Total=306 [2018-02-04 03:38:37,750 INFO L87 Difference]: Start difference. First operand 327 states and 379 transitions. Second operand 18 states. [2018-02-04 03:38:38,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:38:38,534 INFO L93 Difference]: Finished difference Result 409 states and 469 transitions. [2018-02-04 03:38:38,535 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-02-04 03:38:38,535 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 52 [2018-02-04 03:38:38,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:38:38,536 INFO L225 Difference]: With dead ends: 409 [2018-02-04 03:38:38,536 INFO L226 Difference]: Without dead ends: 409 [2018-02-04 03:38:38,536 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=173, Invalid=757, Unknown=0, NotChecked=0, Total=930 [2018-02-04 03:38:38,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2018-02-04 03:38:38,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 316. [2018-02-04 03:38:38,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316 states. [2018-02-04 03:38:38,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 366 transitions. [2018-02-04 03:38:38,539 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 366 transitions. Word has length 52 [2018-02-04 03:38:38,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:38:38,539 INFO L432 AbstractCegarLoop]: Abstraction has 316 states and 366 transitions. [2018-02-04 03:38:38,539 INFO L433 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-02-04 03:38:38,539 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 366 transitions. [2018-02-04 03:38:38,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-02-04 03:38:38,540 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:38:38,540 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:38:38,540 INFO L371 AbstractCegarLoop]: === Iteration 30 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:38:38,540 INFO L82 PathProgramCache]: Analyzing trace with hash -1896170473, now seen corresponding path program 2 times [2018-02-04 03:38:38,540 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:38:38,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:38:38,549 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:38:38,790 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:38:38,790 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:38:38,790 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-02-04 03:38:38,791 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:38:38,791 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 03:38:38,791 INFO L182 omatonBuilderFactory]: Interpolants [14368#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 14369#(= 1 (select |#valid| |main_#t~mem25.base|)), 14351#true, 14352#false, 14353#(= 1 (select |#valid| main_~head~0.base)), 14354#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 14355#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 14356#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 14357#(and (= main_~x~0.offset main_~head~0.offset) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= (select |#valid| main_~x~0.base) 1)), 14358#(and (= |main_#t~mem9.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= (select |#valid| main_~head~0.base) 1)), 14359#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base))), 14360#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base))), 14361#(and (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset))), 14362#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 14363#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem7.base|))), 14364#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 14365#(and (not (= main_~head~0.base |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 14366#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 14367#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))] [2018-02-04 03:38:38,791 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:38:38,791 INFO L409 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-02-04 03:38:38,791 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-02-04 03:38:38,791 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2018-02-04 03:38:38,791 INFO L87 Difference]: Start difference. First operand 316 states and 366 transitions. Second operand 19 states. [2018-02-04 03:38:39,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:38:39,474 INFO L93 Difference]: Finished difference Result 382 states and 436 transitions. [2018-02-04 03:38:39,474 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-02-04 03:38:39,474 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 52 [2018-02-04 03:38:39,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:38:39,475 INFO L225 Difference]: With dead ends: 382 [2018-02-04 03:38:39,475 INFO L226 Difference]: Without dead ends: 382 [2018-02-04 03:38:39,475 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 264 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=240, Invalid=1092, Unknown=0, NotChecked=0, Total=1332 [2018-02-04 03:38:39,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2018-02-04 03:38:39,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 324. [2018-02-04 03:38:39,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 324 states. [2018-02-04 03:38:39,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 376 transitions. [2018-02-04 03:38:39,478 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 376 transitions. Word has length 52 [2018-02-04 03:38:39,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:38:39,479 INFO L432 AbstractCegarLoop]: Abstraction has 324 states and 376 transitions. [2018-02-04 03:38:39,479 INFO L433 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-02-04 03:38:39,479 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 376 transitions. [2018-02-04 03:38:39,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-02-04 03:38:39,479 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:38:39,480 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:38:39,480 INFO L371 AbstractCegarLoop]: === Iteration 31 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:38:39,480 INFO L82 PathProgramCache]: Analyzing trace with hash -1896170472, now seen corresponding path program 2 times [2018-02-04 03:38:39,480 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:38:39,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:38:39,494 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:38:39,865 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:38:39,865 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:38:39,865 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-02-04 03:38:39,865 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:38:39,865 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 03:38:39,866 INFO L182 omatonBuilderFactory]: Interpolants [15112#true, 15113#false, 15114#(= 1 (select |#valid| main_~head~0.base)), 15115#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 15116#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= 12 (select |#length| |main_#t~malloc5.base|)) (= main_~x~0.base main_~head~0.base)), 15117#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 15118#(and (= 12 (select |#length| |main_#t~mem7.base|)) (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= (select |#valid| main_~x~0.base) 1)), 15119#(and (= 12 (select |#length| |main_#t~mem9.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|) (not (= main_~head~0.base |main_#t~mem9.base|)) (= (select |#valid| main_~head~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 15120#(and (= 12 (select |#length| main_~x~0.base)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))), 15121#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~x~0.base)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 15122#(and (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset)) (= (select |#length| main_~x~0.base) 12)), 15123#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#length| main_~x~0.base) 12)), 15124#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base |main_#t~mem7.base|)) (= (select |#length| main_~x~0.base) 12)), 15125#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#length| main_~x~0.base) 12)), 15126#(and (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem9.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 15127#(and (<= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))), 15128#(and (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 15129#(and (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 15130#(and (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= |main_#t~mem12.offset| 0) (= |main_#t~mem12.offset| (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 15131#(and (= |main_#t~mem25.offset| 0) (<= 12 (select |#length| |main_#t~mem25.base|)))] [2018-02-04 03:38:39,866 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:38:39,866 INFO L409 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-02-04 03:38:39,866 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-02-04 03:38:39,866 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=316, Unknown=0, NotChecked=0, Total=380 [2018-02-04 03:38:39,867 INFO L87 Difference]: Start difference. First operand 324 states and 376 transitions. Second operand 20 states. [2018-02-04 03:38:40,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:38:40,723 INFO L93 Difference]: Finished difference Result 382 states and 436 transitions. [2018-02-04 03:38:40,723 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-02-04 03:38:40,724 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 52 [2018-02-04 03:38:40,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:38:40,724 INFO L225 Difference]: With dead ends: 382 [2018-02-04 03:38:40,725 INFO L226 Difference]: Without dead ends: 382 [2018-02-04 03:38:40,725 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 273 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=233, Invalid=1027, Unknown=0, NotChecked=0, Total=1260 [2018-02-04 03:38:40,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2018-02-04 03:38:40,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 324. [2018-02-04 03:38:40,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 324 states. [2018-02-04 03:38:40,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 375 transitions. [2018-02-04 03:38:40,729 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 375 transitions. Word has length 52 [2018-02-04 03:38:40,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:38:40,729 INFO L432 AbstractCegarLoop]: Abstraction has 324 states and 375 transitions. [2018-02-04 03:38:40,730 INFO L433 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-02-04 03:38:40,730 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 375 transitions. [2018-02-04 03:38:40,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-02-04 03:38:40,730 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:38:40,730 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-02-04 03:38:40,730 INFO L371 AbstractCegarLoop]: === Iteration 32 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:38:40,730 INFO L82 PathProgramCache]: Analyzing trace with hash -79227823, now seen corresponding path program 2 times [2018-02-04 03:38:40,731 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:38:40,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:38:40,740 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:38:41,050 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:38:41,050 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:38:41,050 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-02-04 03:38:41,050 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:38:41,051 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 03:38:41,051 INFO L182 omatonBuilderFactory]: Interpolants [15872#(= 1 (select |#valid| main_~head~0.base)), 15873#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 15874#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc18.base|)) (= main_~x~0.base main_~head~0.base)), 15875#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 15876#(and (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem20.base|))), 15877#(and (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem22.offset|) (not (= main_~head~0.base |main_#t~mem22.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem22.base|)), 15878#(and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base main_~head~0.base))), 15879#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 15880#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 15881#(and (= 0 (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset main_~prev~0.base)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset main_~prev~0.offset)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 15882#(and (= 0 (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset main_~prev~0.base)) |main_#t~mem27.base|) |main_#t~mem27.offset|)) (not (= main_~x~0.base |main_#t~mem27.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset main_~prev~0.offset)) |main_#t~mem27.base|) |main_#t~mem27.offset|))), 15883#(and (= 0 (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset main_~prev~0.base)) main_~next~0.base) main_~next~0.offset)) (not (= main_~x~0.base main_~next~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset main_~prev~0.offset)) main_~next~0.base) main_~next~0.offset))), 15884#(and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 4) main_~next~0.offset)) main_~next~0.base) main_~next~0.offset)) (= 0 (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 4) main_~next~0.base)) main_~next~0.base) main_~next~0.offset))), 15885#(and (= 0 (select (select |#memory_$Pointer$.base| main_~next~0.base) main_~next~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~next~0.base) main_~next~0.offset))), 15886#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 15887#(and (= 0 |main_#t~mem27.offset|) (= 0 |main_#t~mem27.base|)), 15888#(and (= 0 main_~next~0.offset) (= 0 main_~next~0.base)), 15889#(and (= 0 main_~x~0.base) (= 0 main_~x~0.offset)), 15870#true, 15871#false] [2018-02-04 03:38:41,051 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:38:41,051 INFO L409 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-02-04 03:38:41,051 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-02-04 03:38:41,051 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=336, Unknown=0, NotChecked=0, Total=380 [2018-02-04 03:38:41,051 INFO L87 Difference]: Start difference. First operand 324 states and 375 transitions. Second operand 20 states. [2018-02-04 03:38:41,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:38:41,976 INFO L93 Difference]: Finished difference Result 457 states and 526 transitions. [2018-02-04 03:38:41,977 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-02-04 03:38:41,977 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 53 [2018-02-04 03:38:41,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:38:41,978 INFO L225 Difference]: With dead ends: 457 [2018-02-04 03:38:41,978 INFO L226 Difference]: Without dead ends: 457 [2018-02-04 03:38:41,978 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 268 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=184, Invalid=1376, Unknown=0, NotChecked=0, Total=1560 [2018-02-04 03:38:41,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2018-02-04 03:38:41,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 341. [2018-02-04 03:38:41,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 341 states. [2018-02-04 03:38:41,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 393 transitions. [2018-02-04 03:38:41,981 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 393 transitions. Word has length 53 [2018-02-04 03:38:41,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:38:41,981 INFO L432 AbstractCegarLoop]: Abstraction has 341 states and 393 transitions. [2018-02-04 03:38:41,981 INFO L433 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-02-04 03:38:41,981 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 393 transitions. [2018-02-04 03:38:41,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-02-04 03:38:41,982 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:38:41,982 INFO L351 BasicCegarLoop]: trace histogram [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 03:38:41,982 INFO L371 AbstractCegarLoop]: === Iteration 33 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:38:41,982 INFO L82 PathProgramCache]: Analyzing trace with hash -1112311740, now seen corresponding path program 1 times [2018-02-04 03:38:41,982 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:38:41,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:38:41,988 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:38:42,288 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:38:42,288 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:38:42,288 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-02-04 03:38:42,288 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:38:42,289 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 03:38:42,289 INFO L182 omatonBuilderFactory]: Interpolants [16736#(or (and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base)) (= 1 (select |#valid| 0))), 16737#(or (and (not (= main_~head~0.base |main_#t~mem22.base|)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| 0))), 16738#(or (and (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))) (= 1 (select |#valid| 0))), 16739#(or (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| 0))), 16740#(or (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (and (= 0 main_~prev~0.base) (= 1 (select |#valid| 0)))), 16741#(or (and (= 0 main_~prev~0.base) (= 1 (select |#valid| 0))) (not (= 0 |main_#t~mem27.base|))), 16742#(or (and (= 0 main_~prev~0.base) (= 1 (select |#valid| 0))) (not (= 0 main_~next~0.base))), 16743#(or (not (= 0 main_~next~0.base)) (and (= 1 (select |#valid| 0)) (= 0 (select (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 4) main_~next~0.base) main_~x~0.offset)))), 16744#(or (not (= 0 main_~x~0.base)) (and (= 1 (select |#valid| 0)) (= 0 (select (select |#memory_$Pointer$.base| main_~prev~0.base) main_~prev~0.offset)))), 16745#(and (= 1 (select |#valid| 0)) (= 0 (select (select |#memory_$Pointer$.base| main_~prev~0.base) main_~prev~0.offset))), 16746#(and (= 1 (select |#valid| 0)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 16747#(= 1 (select |#valid| |main_#t~mem31.base|)), 16728#true, 16729#false, 16730#(= (select |#valid| 0) 0), 16731#(and (= 1 (select |#valid| main_~head~0.base)) (= (select |#valid| 0) 0)), 16732#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= (select |#valid| 0) 0) (= main_~x~0.base main_~head~0.base)), 16733#(and (not (= 0 |main_#t~malloc18.base|)) (or (= 1 (select |#valid| 0)) (not (= main_~x~0.base |main_#t~malloc18.base|))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 16734#(and (or (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| 0))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base)), 16735#(and (or (= 1 (select |#valid| 0)) (not (= main_~x~0.base |main_#t~mem20.base|))) (or (and (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base |main_#t~mem20.base|)))] [2018-02-04 03:38:42,289 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:38:42,289 INFO L409 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-02-04 03:38:42,289 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-02-04 03:38:42,289 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=322, Unknown=0, NotChecked=0, Total=380 [2018-02-04 03:38:42,289 INFO L87 Difference]: Start difference. First operand 341 states and 393 transitions. Second operand 20 states. [2018-02-04 03:38:42,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:38:42,926 INFO L93 Difference]: Finished difference Result 353 states and 403 transitions. [2018-02-04 03:38:42,926 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-02-04 03:38:42,926 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 53 [2018-02-04 03:38:42,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:38:42,927 INFO L225 Difference]: With dead ends: 353 [2018-02-04 03:38:42,927 INFO L226 Difference]: Without dead ends: 353 [2018-02-04 03:38:42,928 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=207, Invalid=915, Unknown=0, NotChecked=0, Total=1122 [2018-02-04 03:38:42,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2018-02-04 03:38:42,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 341. [2018-02-04 03:38:42,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 341 states. [2018-02-04 03:38:42,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 392 transitions. [2018-02-04 03:38:42,930 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 392 transitions. Word has length 53 [2018-02-04 03:38:42,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:38:42,930 INFO L432 AbstractCegarLoop]: Abstraction has 341 states and 392 transitions. [2018-02-04 03:38:42,930 INFO L433 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-02-04 03:38:42,930 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 392 transitions. [2018-02-04 03:38:42,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-02-04 03:38:42,931 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:38:42,931 INFO L351 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1] [2018-02-04 03:38:42,931 INFO L371 AbstractCegarLoop]: === Iteration 34 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:38:42,931 INFO L82 PathProgramCache]: Analyzing trace with hash 1954655990, now seen corresponding path program 2 times [2018-02-04 03:38:42,931 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:38:42,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:38:42,940 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:38:43,181 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:38:43,181 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:38:43,181 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-02-04 03:38:43,182 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:38:43,182 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 03:38:43,182 INFO L182 omatonBuilderFactory]: Interpolants [17472#(= 1 (select |#valid| main_~head~0.base)), 17473#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 17474#(and (= 12 (select |#length| |main_#t~malloc18.base|)) (= 0 |main_#t~malloc18.offset|) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc18.base|)) (= main_~x~0.base main_~head~0.base)), 17475#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base)), 17476#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem20.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~x~0.offset)) main_~x~0.base) main_~head~0.offset)) (not (= main_~x~0.base |main_#t~mem20.base|))), 17477#(and (not (= main_~head~0.base |main_#t~mem22.base|)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 17478#(and (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)))), 17479#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 17480#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 17481#(and (= |main_#t~mem27.offset| (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 12 (select |#length| |main_#t~mem27.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 17482#(and (= 12 (select |#length| main_~next~0.base)) (= main_~next~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 17483#(and (= 12 (select |#length| main_~next~0.base)) (= 0 main_~next~0.offset)), 17484#(and (= 12 (select |#length| main_~x~0.base)) (= 0 main_~x~0.offset)), 17485#(and (= 12 (select |#length| main_~prev~0.base)) (<= 0 main_~prev~0.offset) (<= main_~prev~0.offset 0)), 17470#true, 17471#false] [2018-02-04 03:38:43,182 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:38:43,182 INFO L409 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-02-04 03:38:43,182 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-02-04 03:38:43,182 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2018-02-04 03:38:43,183 INFO L87 Difference]: Start difference. First operand 341 states and 392 transitions. Second operand 16 states. [2018-02-04 03:38:43,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:38:43,927 INFO L93 Difference]: Finished difference Result 415 states and 475 transitions. [2018-02-04 03:38:43,928 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-02-04 03:38:43,928 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 56 [2018-02-04 03:38:43,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:38:43,929 INFO L225 Difference]: With dead ends: 415 [2018-02-04 03:38:43,929 INFO L226 Difference]: Without dead ends: 415 [2018-02-04 03:38:43,929 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 2 SyntacticMatches, 5 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=127, Invalid=685, Unknown=0, NotChecked=0, Total=812 [2018-02-04 03:38:43,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2018-02-04 03:38:43,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 357. [2018-02-04 03:38:43,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 357 states. [2018-02-04 03:38:43,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 413 transitions. [2018-02-04 03:38:43,933 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 413 transitions. Word has length 56 [2018-02-04 03:38:43,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:38:43,934 INFO L432 AbstractCegarLoop]: Abstraction has 357 states and 413 transitions. [2018-02-04 03:38:43,934 INFO L433 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-02-04 03:38:43,934 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 413 transitions. [2018-02-04 03:38:43,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-02-04 03:38:43,935 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:38:43,935 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] [2018-02-04 03:38:43,935 INFO L371 AbstractCegarLoop]: === Iteration 35 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:38:43,935 INFO L82 PathProgramCache]: Analyzing trace with hash -411327031, now seen corresponding path program 1 times [2018-02-04 03:38:43,936 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:38:43,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:38:43,947 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:38:44,304 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:38:44,304 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:38:44,304 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-02-04 03:38:44,304 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:38:44,304 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 03:38:44,304 INFO L182 omatonBuilderFactory]: Interpolants [18284#true, 18285#false, 18286#(= 1 (select |#valid| main_~head~0.base)), 18287#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 18288#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= 12 (select |#length| |main_#t~malloc5.base|)) (= main_~x~0.base main_~head~0.base)), 18289#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 18290#(and (= 12 (select |#length| |main_#t~mem7.base|)) (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= (select |#valid| main_~x~0.base) 1)), 18291#(and (= 12 (select |#length| |main_#t~mem9.base|)) (= |main_#t~mem9.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= (select |#valid| main_~head~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 18292#(and (= 12 (select |#length| main_~x~0.base)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))), 18293#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~x~0.base)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 18294#(and (= 12 (select |#length| main_~x~0.base)) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset))), 18295#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 18296#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~x~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base |main_#t~mem7.base|))), 18297#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~x~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 18298#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem9.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 18299#(and (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)))), 18300#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 18301#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 18302#(and (= 12 (select |#length| |main_#t~mem15.base|)) (= 0 |main_#t~mem15.offset|)), 18303#(and (= main_~x~0.offset 0) (= (select |#length| main_~x~0.base) 12))] [2018-02-04 03:38:44,305 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:38:44,305 INFO L409 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-02-04 03:38:44,305 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-02-04 03:38:44,305 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=317, Unknown=0, NotChecked=0, Total=380 [2018-02-04 03:38:44,305 INFO L87 Difference]: Start difference. First operand 357 states and 413 transitions. Second operand 20 states. [2018-02-04 03:38:45,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:38:45,209 INFO L93 Difference]: Finished difference Result 420 states and 477 transitions. [2018-02-04 03:38:45,210 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-02-04 03:38:45,210 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 58 [2018-02-04 03:38:45,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:38:45,211 INFO L225 Difference]: With dead ends: 420 [2018-02-04 03:38:45,211 INFO L226 Difference]: Without dead ends: 420 [2018-02-04 03:38:45,211 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 3 SyntacticMatches, 5 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 266 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=216, Invalid=974, Unknown=0, NotChecked=0, Total=1190 [2018-02-04 03:38:45,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2018-02-04 03:38:45,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 352. [2018-02-04 03:38:45,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 352 states. [2018-02-04 03:38:45,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 406 transitions. [2018-02-04 03:38:45,214 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 406 transitions. Word has length 58 [2018-02-04 03:38:45,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:38:45,214 INFO L432 AbstractCegarLoop]: Abstraction has 352 states and 406 transitions. [2018-02-04 03:38:45,214 INFO L433 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-02-04 03:38:45,214 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 406 transitions. [2018-02-04 03:38:45,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-02-04 03:38:45,214 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:38:45,214 INFO L351 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:38:45,215 INFO L371 AbstractCegarLoop]: === Iteration 36 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:38:45,215 INFO L82 PathProgramCache]: Analyzing trace with hash -10056501, now seen corresponding path program 2 times [2018-02-04 03:38:45,215 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:38:45,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:38:45,222 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:38:45,239 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-02-04 03:38:45,240 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:38:45,240 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 03:38:45,240 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:38:45,240 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 03:38:45,240 INFO L182 omatonBuilderFactory]: Interpolants [19106#true, 19107#false, 19108#(or (not (= 0 main_~x~0.offset)) (not (= 0 main_~x~0.base))), 19109#(or (not (= 0 main_~prev~0.offset)) (not (= 0 main_~prev~0.base)))] [2018-02-04 03:38:45,240 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-02-04 03:38:45,240 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 03:38:45,240 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 03:38:45,240 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-04 03:38:45,241 INFO L87 Difference]: Start difference. First operand 352 states and 406 transitions. Second operand 4 states. [2018-02-04 03:38:45,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:38:45,299 INFO L93 Difference]: Finished difference Result 356 states and 407 transitions. [2018-02-04 03:38:45,299 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 03:38:45,299 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2018-02-04 03:38:45,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:38:45,300 INFO L225 Difference]: With dead ends: 356 [2018-02-04 03:38:45,300 INFO L226 Difference]: Without dead ends: 356 [2018-02-04 03:38:45,300 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 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 03:38:45,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2018-02-04 03:38:45,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 352. [2018-02-04 03:38:45,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 352 states. [2018-02-04 03:38:45,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 404 transitions. [2018-02-04 03:38:45,303 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 404 transitions. Word has length 59 [2018-02-04 03:38:45,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:38:45,303 INFO L432 AbstractCegarLoop]: Abstraction has 352 states and 404 transitions. [2018-02-04 03:38:45,303 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 03:38:45,303 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 404 transitions. [2018-02-04 03:38:45,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-02-04 03:38:45,304 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:38:45,304 INFO L351 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1] [2018-02-04 03:38:45,304 INFO L371 AbstractCegarLoop]: === Iteration 37 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:38:45,304 INFO L82 PathProgramCache]: Analyzing trace with hash 363952629, now seen corresponding path program 2 times [2018-02-04 03:38:45,304 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:38:45,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:38:45,313 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:38:45,733 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:38:45,734 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:38:45,734 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-02-04 03:38:45,734 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:38:45,734 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 03:38:45,734 INFO L182 omatonBuilderFactory]: Interpolants [19840#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (<= (+ main_~x~0.offset 8) 0)), 19841#(and (= 0 |main_#t~mem27.offset|) (= 0 |main_#t~mem27.base|)), 19842#(and (= 0 main_~next~0.offset) (= 0 main_~next~0.base)), 19843#(and (= 0 main_~x~0.base) (= 0 main_~x~0.offset)), 19821#true, 19822#false, 19823#(= 1 (select |#valid| main_~head~0.base)), 19824#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 19825#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 19826#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 19827#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~head~0.offset)))), 19828#(and (= 0 |main_#t~mem9.offset|) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.offset|) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 19829#(and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= 0 main_~x~0.offset)), 19830#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 0 main_~x~0.offset)), 19831#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 19832#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 19833#(and (or (and (= |main_#t~mem25.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem25.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (+ |main_#t~mem25.offset| 8) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem25.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (and (= |main_#t~mem25.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (+ |main_#t~mem25.offset| 8) 0))) (not (= |main_#t~mem25.base| main_~head~0.base))), 19834#(or (<= (+ (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 8) 0) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 19835#(or (<= (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 8) 0) (and (= 0 (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset main_~prev~0.base)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset main_~prev~0.offset)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))))), 19836#(or (and (= 0 (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset main_~prev~0.base)) |main_#t~mem27.base|) |main_#t~mem27.offset|)) (not (= main_~x~0.base |main_#t~mem27.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset main_~prev~0.offset)) |main_#t~mem27.base|) |main_#t~mem27.offset|))) (and (<= (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 8) 0) (= |main_#t~mem27.offset| (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 19837#(or (and (= 0 (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset main_~prev~0.base)) main_~next~0.base) main_~next~0.offset)) (not (= main_~x~0.base main_~next~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset main_~prev~0.offset)) main_~next~0.base) main_~next~0.offset))) (and (<= (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 8) 0) (= main_~next~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 19838#(or (<= (+ main_~next~0.offset 8) 0) (and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 4) main_~next~0.offset)) main_~next~0.base) main_~next~0.offset)) (= 0 (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 4) main_~next~0.base)) main_~next~0.base) main_~next~0.offset)))), 19839#(or (<= (+ main_~next~0.offset 8) 0) (and (= 0 (select (select |#memory_$Pointer$.base| main_~next~0.base) main_~next~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~next~0.base) main_~next~0.offset))))] [2018-02-04 03:38:45,734 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:38:45,735 INFO L409 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-02-04 03:38:45,735 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-02-04 03:38:45,735 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=449, Unknown=0, NotChecked=0, Total=506 [2018-02-04 03:38:45,735 INFO L87 Difference]: Start difference. First operand 352 states and 404 transitions. Second operand 23 states. [2018-02-04 03:38:47,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:38:47,044 INFO L93 Difference]: Finished difference Result 485 states and 553 transitions. [2018-02-04 03:38:47,044 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-02-04 03:38:47,044 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 59 [2018-02-04 03:38:47,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:38:47,045 INFO L225 Difference]: With dead ends: 485 [2018-02-04 03:38:47,045 INFO L226 Difference]: Without dead ends: 485 [2018-02-04 03:38:47,046 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 369 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=225, Invalid=1755, Unknown=0, NotChecked=0, Total=1980 [2018-02-04 03:38:47,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2018-02-04 03:38:47,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 355. [2018-02-04 03:38:47,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 355 states. [2018-02-04 03:38:47,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 407 transitions. [2018-02-04 03:38:47,049 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 407 transitions. Word has length 59 [2018-02-04 03:38:47,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:38:47,049 INFO L432 AbstractCegarLoop]: Abstraction has 355 states and 407 transitions. [2018-02-04 03:38:47,049 INFO L433 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-02-04 03:38:47,049 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 407 transitions. [2018-02-04 03:38:47,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-02-04 03:38:47,049 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:38:47,049 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:38:47,049 INFO L371 AbstractCegarLoop]: === Iteration 38 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:38:47,049 INFO L82 PathProgramCache]: Analyzing trace with hash -669131288, now seen corresponding path program 1 times [2018-02-04 03:38:47,050 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:38:47,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:38:47,056 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:38:47,429 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 03:38:47,429 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:38:47,429 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-02-04 03:38:47,430 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:38:47,430 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 03:38:47,430 INFO L182 omatonBuilderFactory]: Interpolants [20736#(or (and (not (= main_~head~0.base |main_#t~mem9.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| 0))), 20737#(or (= 1 (select |#valid| 0)) (and (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))))), 20738#(or (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| 0))), 20739#(or (= 1 (select |#valid| 0)) (and (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base))), 20740#(or (and (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem25.base| main_~head~0.base))) (= 1 (select |#valid| 0))), 20741#(or (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| 0))), 20742#(or (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (and (= 0 main_~prev~0.base) (= 1 (select |#valid| 0)))), 20743#(or (and (= 0 main_~prev~0.base) (= 1 (select |#valid| 0))) (not (= 0 |main_#t~mem27.base|))), 20744#(or (and (= 0 main_~prev~0.base) (= 1 (select |#valid| 0))) (not (= 0 main_~next~0.base))), 20745#(or (not (= 0 main_~next~0.base)) (and (= 1 (select |#valid| 0)) (= 0 (select (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 4) main_~next~0.base) main_~x~0.offset)))), 20746#(or (not (= 0 main_~x~0.base)) (and (= 1 (select |#valid| 0)) (= 0 (select (select |#memory_$Pointer$.base| main_~prev~0.base) main_~prev~0.offset)))), 20747#(and (= 1 (select |#valid| 0)) (= 0 (select (select |#memory_$Pointer$.base| main_~prev~0.base) main_~prev~0.offset))), 20748#(and (= 1 (select |#valid| 0)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 20749#(= 1 (select |#valid| |main_#t~mem31.base|)), 20728#true, 20729#false, 20730#(= (select |#valid| 0) 0), 20731#(and (= 1 (select |#valid| main_~head~0.base)) (= (select |#valid| 0) 0)), 20732#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= (select |#valid| 0) 0) (= main_~x~0.base main_~head~0.base)), 20733#(or (and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (not (= 0 |main_#t~malloc5.base|)) (= main_~x~0.base main_~head~0.base)) (= 1 (select |#valid| 0))), 20734#(or (and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base)) (= 1 (select |#valid| 0))), 20735#(or (and (not (= 0 (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~head~0.offset)))) (= 1 (select |#valid| 0)))] [2018-02-04 03:38:47,430 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 03:38:47,431 INFO L409 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-02-04 03:38:47,431 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-02-04 03:38:47,431 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=383, Unknown=0, NotChecked=0, Total=462 [2018-02-04 03:38:47,431 INFO L87 Difference]: Start difference. First operand 355 states and 407 transitions. Second operand 22 states. [2018-02-04 03:38:48,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:38:48,307 INFO L93 Difference]: Finished difference Result 381 states and 431 transitions. [2018-02-04 03:38:48,307 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-02-04 03:38:48,307 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 59 [2018-02-04 03:38:48,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:38:48,308 INFO L225 Difference]: With dead ends: 381 [2018-02-04 03:38:48,308 INFO L226 Difference]: Without dead ends: 381 [2018-02-04 03:38:48,308 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 6 SyntacticMatches, 3 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 297 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=290, Invalid=1192, Unknown=0, NotChecked=0, Total=1482 [2018-02-04 03:38:48,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2018-02-04 03:38:48,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 355. [2018-02-04 03:38:48,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 355 states. [2018-02-04 03:38:48,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 406 transitions. [2018-02-04 03:38:48,310 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 406 transitions. Word has length 59 [2018-02-04 03:38:48,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:38:48,310 INFO L432 AbstractCegarLoop]: Abstraction has 355 states and 406 transitions. [2018-02-04 03:38:48,310 INFO L433 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-02-04 03:38:48,310 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 406 transitions. [2018-02-04 03:38:48,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-02-04 03:38:48,311 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:38:48,311 INFO L351 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:38:48,311 INFO L371 AbstractCegarLoop]: === Iteration 39 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:38:48,311 INFO L82 PathProgramCache]: Analyzing trace with hash -306059269, now seen corresponding path program 2 times [2018-02-04 03:38:48,311 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:38:48,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:38:48,316 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:38:48,364 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:38:48,364 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:38:48,364 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2018-02-04 03:38:48,364 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:38:48,365 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 03:38:48,365 INFO L182 omatonBuilderFactory]: Interpolants [21520#true, 21521#false, 21522#(= main_~x~0.base main_~head~0.base), 21523#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.base main_~head~0.base)), 21524#(= 1 (select |#valid| main_~head~0.base)), 21525#(= 1 (select |#valid| main_~x~0.base)), 21526#(= 1 (select |#valid| main_~prev~0.base)), 21527#(= 1 (select |#valid| (select (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 4) main_~next~0.base) main_~x~0.offset))), 21528#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~prev~0.base) main_~prev~0.offset))), 21529#(= 1 (select |#valid| |main_#t~mem31.base|))] [2018-02-04 03:38:48,365 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:38:48,365 INFO L409 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-02-04 03:38:48,365 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-02-04 03:38:48,365 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-02-04 03:38:48,365 INFO L87 Difference]: Start difference. First operand 355 states and 406 transitions. Second operand 10 states. [2018-02-04 03:38:48,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:38:48,643 INFO L93 Difference]: Finished difference Result 421 states and 457 transitions. [2018-02-04 03:38:48,643 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-02-04 03:38:48,643 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 60 [2018-02-04 03:38:48,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:38:48,644 INFO L225 Difference]: With dead ends: 421 [2018-02-04 03:38:48,644 INFO L226 Difference]: Without dead ends: 421 [2018-02-04 03:38:48,645 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=174, Invalid=378, Unknown=0, NotChecked=0, Total=552 [2018-02-04 03:38:48,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2018-02-04 03:38:48,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 359. [2018-02-04 03:38:48,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 359 states. [2018-02-04 03:38:48,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 412 transitions. [2018-02-04 03:38:48,647 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 412 transitions. Word has length 60 [2018-02-04 03:38:48,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:38:48,647 INFO L432 AbstractCegarLoop]: Abstraction has 359 states and 412 transitions. [2018-02-04 03:38:48,647 INFO L433 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-02-04 03:38:48,648 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 412 transitions. [2018-02-04 03:38:48,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-02-04 03:38:48,648 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:38:48,648 INFO L351 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:38:48,648 INFO L371 AbstractCegarLoop]: === Iteration 40 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:38:48,648 INFO L82 PathProgramCache]: Analyzing trace with hash -306059268, now seen corresponding path program 1 times [2018-02-04 03:38:48,649 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:38:48,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:38:48,655 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:38:48,817 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:38:48,818 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:38:48,818 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2018-02-04 03:38:48,818 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:38:48,818 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 03:38:48,818 INFO L182 omatonBuilderFactory]: Interpolants [22339#true, 22340#false, 22341#(and (= 0 |main_#t~malloc0.offset|) (= 12 (select |#length| |main_#t~malloc0.base|))), 22342#(and (= 0 main_~head~0.offset) (= 12 (select |#length| main_~head~0.base))), 22343#(and (= 0 main_~head~0.offset) (= 12 (select |#length| main_~head~0.base)) (= 1 (select |#valid| main_~head~0.base))), 22344#(and (= 0 main_~head~0.offset) (= 12 (select |#length| main_~x~0.base)) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 22345#(and (= 0 main_~head~0.offset) (= 12 (select |#length| main_~x~0.base)) (= main_~x~0.base main_~head~0.base)), 22346#(and (= (select |#length| main_~x~0.base) 12) (= 0 main_~x~0.offset)), 22347#(and (= 0 main_~prev~0.offset) (<= 12 (select |#length| main_~prev~0.base))), 22348#(and (= 0 (select (store (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 4) main_~next~0.offset) main_~x~0.offset)) (<= 12 (select |#length| (select (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 4) main_~next~0.base) main_~x~0.offset)))), 22349#(and (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~prev~0.base) main_~prev~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~prev~0.base) main_~prev~0.offset))), 22350#(and (<= 12 (select |#length| |main_#t~mem31.base|)) (= |main_#t~mem31.offset| 0))] [2018-02-04 03:38:48,819 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:38:48,819 INFO L409 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-02-04 03:38:48,819 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-02-04 03:38:48,819 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2018-02-04 03:38:48,819 INFO L87 Difference]: Start difference. First operand 359 states and 412 transitions. Second operand 12 states. [2018-02-04 03:38:49,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:38:49,398 INFO L93 Difference]: Finished difference Result 473 states and 526 transitions. [2018-02-04 03:38:49,398 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-02-04 03:38:49,398 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 60 [2018-02-04 03:38:49,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:38:49,399 INFO L225 Difference]: With dead ends: 473 [2018-02-04 03:38:49,399 INFO L226 Difference]: Without dead ends: 473 [2018-02-04 03:38:49,399 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=97, Invalid=365, Unknown=0, NotChecked=0, Total=462 [2018-02-04 03:38:49,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2018-02-04 03:38:49,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 374. [2018-02-04 03:38:49,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 374 states. [2018-02-04 03:38:49,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 434 transitions. [2018-02-04 03:38:49,402 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 434 transitions. Word has length 60 [2018-02-04 03:38:49,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:38:49,402 INFO L432 AbstractCegarLoop]: Abstraction has 374 states and 434 transitions. [2018-02-04 03:38:49,402 INFO L433 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-02-04 03:38:49,402 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 434 transitions. [2018-02-04 03:38:49,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-02-04 03:38:49,403 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:38:49,403 INFO L351 BasicCegarLoop]: trace histogram [3, 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] [2018-02-04 03:38:49,403 INFO L371 AbstractCegarLoop]: === Iteration 41 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:38:49,403 INFO L82 PathProgramCache]: Analyzing trace with hash -1646435053, now seen corresponding path program 4 times [2018-02-04 03:38:49,403 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:38:49,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:38:49,412 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:38:49,737 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:38:49,737 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:38:49,737 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-02-04 03:38:49,738 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:38:49,738 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 03:38:49,738 INFO L182 omatonBuilderFactory]: Interpolants [23232#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))), 23233#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 23234#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 23235#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0))) (= 0 |main_#t~mem15.offset|)), 23236#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset 0)), 23237#(= 1 (select |#valid| |main_#t~mem15.base|)), 23238#(= 1 (select |#valid| main_~x~0.base)), 23218#true, 23219#false, 23220#(= 1 (select |#valid| main_~head~0.base)), 23221#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 23222#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= |main_#t~malloc5.offset| 0) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 23223#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 23224#(and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= (select |#valid| main_~x~0.base) 1)), 23225#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|) (not (= main_~head~0.base |main_#t~mem9.base|)) (= |main_#t~mem9.offset| 0) (= (select |#valid| main_~head~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 23226#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= main_~x~0.offset 0) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))), 23227#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset 0) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 23228#(and (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (= main_~x~0.offset 0) (= 1 (select |#valid| |main_#t~malloc5.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset))), 23229#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 23230#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem7.base|)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) 0)))), 23231#(and (not (= main_~head~0.base |main_#t~mem9.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))] [2018-02-04 03:38:49,738 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:38:49,738 INFO L409 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-02-04 03:38:49,738 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-02-04 03:38:49,739 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=362, Unknown=0, NotChecked=0, Total=420 [2018-02-04 03:38:49,739 INFO L87 Difference]: Start difference. First operand 374 states and 434 transitions. Second operand 21 states. [2018-02-04 03:38:50,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:38:50,677 INFO L93 Difference]: Finished difference Result 443 states and 505 transitions. [2018-02-04 03:38:50,677 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-02-04 03:38:50,677 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 61 [2018-02-04 03:38:50,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:38:50,678 INFO L225 Difference]: With dead ends: 443 [2018-02-04 03:38:50,678 INFO L226 Difference]: Without dead ends: 443 [2018-02-04 03:38:50,678 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 4 SyntacticMatches, 3 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 333 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=252, Invalid=1308, Unknown=0, NotChecked=0, Total=1560 [2018-02-04 03:38:50,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2018-02-04 03:38:50,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 381. [2018-02-04 03:38:50,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2018-02-04 03:38:50,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 442 transitions. [2018-02-04 03:38:50,681 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 442 transitions. Word has length 61 [2018-02-04 03:38:50,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:38:50,681 INFO L432 AbstractCegarLoop]: Abstraction has 381 states and 442 transitions. [2018-02-04 03:38:50,681 INFO L433 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-02-04 03:38:50,681 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 442 transitions. [2018-02-04 03:38:50,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-02-04 03:38:50,681 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:38:50,681 INFO L351 BasicCegarLoop]: trace histogram [3, 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] [2018-02-04 03:38:50,681 INFO L371 AbstractCegarLoop]: === Iteration 42 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:38:50,682 INFO L82 PathProgramCache]: Analyzing trace with hash -1646435052, now seen corresponding path program 3 times [2018-02-04 03:38:50,682 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:38:50,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:38:50,691 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:38:51,196 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:38:51,196 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:38:51,196 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-02-04 03:38:51,196 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:38:51,196 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 03:38:51,196 INFO L182 omatonBuilderFactory]: Interpolants [24101#true, 24102#false, 24103#(= 1 (select |#valid| main_~head~0.base)), 24104#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 24105#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= |main_#t~malloc5.offset| 0) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 24106#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 24107#(and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= (select |#valid| main_~x~0.base) 1)), 24108#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|) (not (= main_~head~0.base |main_#t~mem9.base|)) (= |main_#t~mem9.offset| 0) (= (select |#valid| main_~head~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 24109#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= main_~x~0.offset 0) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))), 24110#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset 0) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 24111#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (= main_~x~0.offset 0) (= 12 (select |#length| |main_#t~malloc5.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset))), 24112#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))), 24113#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) 0))) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem7.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))), 24114#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~head~0.base |main_#t~mem9.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 24115#(and (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))), 24116#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 24117#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 24118#(and (= 0 |main_#t~mem15.offset|) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) 0)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0)))), 24119#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 24120#(and (= 12 (select |#length| |main_#t~mem15.base|)) (= 0 |main_#t~mem15.offset|)), 24121#(and (= main_~x~0.offset 0) (= (select |#length| main_~x~0.base) 12))] [2018-02-04 03:38:51,197 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:38:51,197 INFO L409 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-02-04 03:38:51,197 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-02-04 03:38:51,197 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=366, Unknown=0, NotChecked=0, Total=420 [2018-02-04 03:38:51,197 INFO L87 Difference]: Start difference. First operand 381 states and 442 transitions. Second operand 21 states. [2018-02-04 03:38:52,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:38:52,389 INFO L93 Difference]: Finished difference Result 475 states and 541 transitions. [2018-02-04 03:38:52,389 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-02-04 03:38:52,389 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 61 [2018-02-04 03:38:52,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:38:52,390 INFO L225 Difference]: With dead ends: 475 [2018-02-04 03:38:52,390 INFO L226 Difference]: Without dead ends: 475 [2018-02-04 03:38:52,391 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 4 SyntacticMatches, 3 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 280 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=190, Invalid=1216, Unknown=0, NotChecked=0, Total=1406 [2018-02-04 03:38:52,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 475 states. [2018-02-04 03:38:52,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 475 to 384. [2018-02-04 03:38:52,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 384 states. [2018-02-04 03:38:52,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 446 transitions. [2018-02-04 03:38:52,393 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 446 transitions. Word has length 61 [2018-02-04 03:38:52,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:38:52,393 INFO L432 AbstractCegarLoop]: Abstraction has 384 states and 446 transitions. [2018-02-04 03:38:52,393 INFO L433 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-02-04 03:38:52,393 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 446 transitions. [2018-02-04 03:38:52,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-02-04 03:38:52,394 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:38:52,394 INFO L351 BasicCegarLoop]: trace histogram [3, 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 03:38:52,394 INFO L371 AbstractCegarLoop]: === Iteration 43 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:38:52,394 INFO L82 PathProgramCache]: Analyzing trace with hash 2014033618, now seen corresponding path program 1 times [2018-02-04 03:38:52,395 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:38:52,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:38:52,405 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:38:52,687 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:38:52,687 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:38:52,688 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-02-04 03:38:52,688 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:38:52,688 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 03:38:52,688 INFO L182 omatonBuilderFactory]: Interpolants [25024#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 25025#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 25026#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem25.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 25027#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 25028#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 25029#(and (= |main_#t~mem27.offset| (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 12 (select |#length| |main_#t~mem27.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 25030#(and (= 12 (select |#length| main_~next~0.base)) (= main_~next~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 25031#(and (= 12 (select |#length| main_~next~0.base)) (= 0 main_~next~0.offset)), 25032#(and (= 12 (select |#length| main_~x~0.base)) (= 0 main_~x~0.offset)), 25033#(and (= 12 (select |#length| main_~prev~0.base)) (<= 0 main_~prev~0.offset) (<= main_~prev~0.offset 0)), 25015#true, 25016#false, 25017#(= 1 (select |#valid| main_~head~0.base)), 25018#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 25019#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= 12 (select |#length| |main_#t~malloc5.base|)) (= main_~x~0.base main_~head~0.base)), 25020#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base)), 25021#(and (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~head~0.offset)))), 25022#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem9.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 25023#(and (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))))] [2018-02-04 03:38:52,688 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:38:52,689 INFO L409 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-02-04 03:38:52,689 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-02-04 03:38:52,689 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2018-02-04 03:38:52,689 INFO L87 Difference]: Start difference. First operand 384 states and 446 transitions. Second operand 19 states. [2018-02-04 03:38:53,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:38:53,447 INFO L93 Difference]: Finished difference Result 469 states and 539 transitions. [2018-02-04 03:38:53,447 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-02-04 03:38:53,447 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 62 [2018-02-04 03:38:53,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:38:53,448 INFO L225 Difference]: With dead ends: 469 [2018-02-04 03:38:53,448 INFO L226 Difference]: Without dead ends: 469 [2018-02-04 03:38:53,449 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 3 SyntacticMatches, 6 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=183, Invalid=939, Unknown=0, NotChecked=0, Total=1122 [2018-02-04 03:38:53,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2018-02-04 03:38:53,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 367. [2018-02-04 03:38:53,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 367 states. [2018-02-04 03:38:53,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 429 transitions. [2018-02-04 03:38:53,452 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 429 transitions. Word has length 62 [2018-02-04 03:38:53,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:38:53,453 INFO L432 AbstractCegarLoop]: Abstraction has 367 states and 429 transitions. [2018-02-04 03:38:53,453 INFO L433 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-02-04 03:38:53,453 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 429 transitions. [2018-02-04 03:38:53,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-02-04 03:38:53,453 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:38:53,453 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] [2018-02-04 03:38:53,453 INFO L371 AbstractCegarLoop]: === Iteration 44 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:38:53,454 INFO L82 PathProgramCache]: Analyzing trace with hash -766842041, now seen corresponding path program 1 times [2018-02-04 03:38:53,454 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:38:53,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:38:53,462 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:38:53,835 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:38:53,835 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:38:53,835 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-02-04 03:38:53,836 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:38:53,836 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 03:38:53,836 INFO L182 omatonBuilderFactory]: Interpolants [25900#true, 25901#false, 25902#(= 1 (select |#valid| main_~head~0.base)), 25903#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 25904#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 25905#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 25906#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= (select |#valid| main_~x~0.base) 1)), 25907#(and (= |main_#t~mem9.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|) (not (= main_~head~0.base |main_#t~mem9.base|)) (= (select |#valid| main_~head~0.base) 1)), 25908#(and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base))), 25909#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base))), 25910#(and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| |main_#t~malloc5.base|))), 25911#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 25912#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem7.base|)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))))), 25913#(and (not (= main_~head~0.base |main_#t~mem9.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 25914#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 25915#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 25916#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 25917#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))), 25918#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 25919#(= 1 (select |#valid| |main_#t~mem25.base|))] [2018-02-04 03:38:53,836 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:38:53,836 INFO L409 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-02-04 03:38:53,837 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-02-04 03:38:53,837 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2018-02-04 03:38:53,837 INFO L87 Difference]: Start difference. First operand 367 states and 429 transitions. Second operand 20 states. [2018-02-04 03:38:54,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:38:54,882 INFO L93 Difference]: Finished difference Result 443 states and 509 transitions. [2018-02-04 03:38:54,882 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-02-04 03:38:54,882 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 62 [2018-02-04 03:38:54,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:38:54,883 INFO L225 Difference]: With dead ends: 443 [2018-02-04 03:38:54,883 INFO L226 Difference]: Without dead ends: 443 [2018-02-04 03:38:54,883 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 4 SyntacticMatches, 4 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 317 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=204, Invalid=1278, Unknown=0, NotChecked=0, Total=1482 [2018-02-04 03:38:54,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2018-02-04 03:38:54,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 375. [2018-02-04 03:38:54,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2018-02-04 03:38:54,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 439 transitions. [2018-02-04 03:38:54,886 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 439 transitions. Word has length 62 [2018-02-04 03:38:54,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:38:54,886 INFO L432 AbstractCegarLoop]: Abstraction has 375 states and 439 transitions. [2018-02-04 03:38:54,886 INFO L433 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-02-04 03:38:54,886 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 439 transitions. [2018-02-04 03:38:54,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-02-04 03:38:54,886 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:38:54,887 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] [2018-02-04 03:38:54,887 INFO L371 AbstractCegarLoop]: === Iteration 45 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:38:54,887 INFO L82 PathProgramCache]: Analyzing trace with hash -766842040, now seen corresponding path program 1 times [2018-02-04 03:38:54,887 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:38:54,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:38:54,894 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:38:55,184 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:38:55,184 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:38:55,185 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-02-04 03:38:55,185 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:38:55,185 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 03:38:55,185 INFO L182 omatonBuilderFactory]: Interpolants [26784#(and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base))), 26785#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base))), 26786#(and (= 0 |main_#t~malloc5.offset|) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| |main_#t~malloc5.base|))), 26787#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 26788#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem7.base|)) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))))), 26789#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base |main_#t~mem9.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|))), 26790#(and (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))))), 26791#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 26792#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 26793#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)))), 26794#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 26795#(and (= |main_#t~mem25.offset| 0) (= (select |#length| |main_#t~mem25.base|) 12)), 26776#true, 26777#false, 26778#(= 1 (select |#valid| main_~head~0.base)), 26779#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 26780#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 26781#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 26782#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= (select |#valid| main_~x~0.base) 1)), 26783#(and (= |main_#t~mem9.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|) (not (= main_~head~0.base |main_#t~mem9.base|)) (= (select |#valid| main_~head~0.base) 1))] [2018-02-04 03:38:55,185 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:38:55,185 INFO L409 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-02-04 03:38:55,185 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-02-04 03:38:55,186 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2018-02-04 03:38:55,186 INFO L87 Difference]: Start difference. First operand 375 states and 439 transitions. Second operand 20 states. [2018-02-04 03:38:56,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:38:56,117 INFO L93 Difference]: Finished difference Result 443 states and 509 transitions. [2018-02-04 03:38:56,118 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-02-04 03:38:56,118 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 62 [2018-02-04 03:38:56,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:38:56,119 INFO L225 Difference]: With dead ends: 443 [2018-02-04 03:38:56,119 INFO L226 Difference]: Without dead ends: 443 [2018-02-04 03:38:56,119 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 4 SyntacticMatches, 4 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 259 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=179, Invalid=1081, Unknown=0, NotChecked=0, Total=1260 [2018-02-04 03:38:56,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2018-02-04 03:38:56,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 373. [2018-02-04 03:38:56,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2018-02-04 03:38:56,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 436 transitions. [2018-02-04 03:38:56,122 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 436 transitions. Word has length 62 [2018-02-04 03:38:56,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:38:56,122 INFO L432 AbstractCegarLoop]: Abstraction has 373 states and 436 transitions. [2018-02-04 03:38:56,122 INFO L433 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-02-04 03:38:56,122 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 436 transitions. [2018-02-04 03:38:56,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-02-04 03:38:56,122 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:38:56,122 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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 03:38:56,122 INFO L371 AbstractCegarLoop]: === Iteration 46 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:38:56,122 INFO L82 PathProgramCache]: Analyzing trace with hash 404839474, now seen corresponding path program 5 times [2018-02-04 03:38:56,123 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:38:56,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:38:56,135 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:38:56,795 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:38:56,796 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:38:56,796 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-02-04 03:38:56,796 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:38:56,796 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 03:38:56,796 INFO L182 omatonBuilderFactory]: Interpolants [27648#(and (= 0 main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= (select |#length| main_~head~0.base) 12)), 27649#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.offset 0) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1) (= (select |#length| main_~x~0.base) 12)), 27650#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.offset 0) (= main_~x~0.base main_~head~0.base) (= (select |#length| main_~x~0.base) 12)), 27651#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.offset 0) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1) (= (select |#length| main_~x~0.base) 12)), 27652#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.offset 0) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= (select |#valid| main_~x~0.base) 1) (= (select |#length| main_~x~0.base) 12)), 27653#(and (= 0 main_~head~0.offset) (= |main_#t~mem9.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= (select |#length| main_~head~0.base) 12) (= (select |#valid| main_~head~0.base) 1)), 27654#(and (= 0 main_~head~0.offset) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= (select |#length| main_~head~0.base) 12) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base))), 27655#(and (= 0 main_~head~0.offset) (not (= main_~head~0.base |main_#t~malloc5.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| |main_#t~malloc5.base|)) (= (select |#valid| main_~head~0.base) 1) (= (select |#length| main_~head~0.base) (select |#length| |main_#t~malloc5.base|))), 27656#(and (= 0 main_~head~0.offset) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#length| main_~head~0.base) (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 27657#(and (= 0 main_~head~0.offset) (= (select |#length| |main_#t~mem7.base|) 12) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= (select |#length| main_~head~0.base) (select |#length| |main_#t~mem7.base|)) (= (select |#valid| main_~head~0.base) 1)), 27658#(and (= 0 main_~head~0.offset) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (<= (select |#length| main_~head~0.base) 12) (= (select |#valid| main_~head~0.base) 1)), 27659#(and (= 0 main_~head~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (<= (select |#length| main_~head~0.base) 12) (= (select |#valid| main_~head~0.base) 1)), 27660#(or (and (or (not (= main_~x~0.offset 0)) (and (= main_~x~0.offset main_~head~0.offset) (= (select |#valid| main_~x~0.base) 1))) (= main_~x~0.base main_~head~0.base) (or (<= main_~x~0.offset 0) (<= (select |#length| main_~head~0.base) 12))) (and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)))), 27661#(and (or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base))) (and (or (not (= main_~x~0.offset 0)) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base))) (or (and (<= 0 main_~x~0.offset) (<= (select |#length| main_~head~0.base) 12) (= main_~x~0.base main_~head~0.base)) (= main_~x~0.offset 0)))) (= (select |#valid| main_~x~0.base) 1)), 27662#(and (or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base))) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.offset 0) (= main_~x~0.base main_~head~0.base))) (= (select |#valid| main_~x~0.base) 1)), 27663#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|))), 27664#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 27665#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem7.base|))), 27666#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 27667#(and (not (= main_~head~0.base |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 27668#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 27669#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 27670#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 27671#(= 1 (select |#valid| |main_#t~mem15.base|)), 27672#(= 1 (select |#valid| main_~x~0.base)), 27644#true, 27645#false, 27646#(and (= 0 |main_#t~malloc0.offset|) (= 12 (select |#length| |main_#t~malloc0.base|))), 27647#(and (= 0 main_~head~0.offset) (= (select |#length| main_~head~0.base) 12))] [2018-02-04 03:38:56,796 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:38:56,797 INFO L409 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-02-04 03:38:56,797 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-02-04 03:38:56,797 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=701, Unknown=0, NotChecked=0, Total=812 [2018-02-04 03:38:56,797 INFO L87 Difference]: Start difference. First operand 373 states and 436 transitions. Second operand 29 states. [2018-02-04 03:38:58,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:38:58,425 INFO L93 Difference]: Finished difference Result 409 states and 471 transitions. [2018-02-04 03:38:58,425 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-02-04 03:38:58,425 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 63 [2018-02-04 03:38:58,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:38:58,426 INFO L225 Difference]: With dead ends: 409 [2018-02-04 03:38:58,426 INFO L226 Difference]: Without dead ends: 409 [2018-02-04 03:38:58,427 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 742 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=749, Invalid=2557, Unknown=0, NotChecked=0, Total=3306 [2018-02-04 03:38:58,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2018-02-04 03:38:58,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 380. [2018-02-04 03:38:58,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 380 states. [2018-02-04 03:38:58,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 444 transitions. [2018-02-04 03:38:58,429 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 444 transitions. Word has length 63 [2018-02-04 03:38:58,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:38:58,429 INFO L432 AbstractCegarLoop]: Abstraction has 380 states and 444 transitions. [2018-02-04 03:38:58,429 INFO L433 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-02-04 03:38:58,429 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 444 transitions. [2018-02-04 03:38:58,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-02-04 03:38:58,430 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:38:58,430 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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 03:38:58,430 INFO L371 AbstractCegarLoop]: === Iteration 47 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:38:58,430 INFO L82 PathProgramCache]: Analyzing trace with hash 404839475, now seen corresponding path program 4 times [2018-02-04 03:38:58,430 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:38:58,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:38:58,448 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:38:59,377 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:38:59,378 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:38:59,378 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-02-04 03:38:59,378 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:38:59,378 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 03:38:59,379 INFO L182 omatonBuilderFactory]: Interpolants [28544#(or (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 28545#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 28546#(or (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (and (= |main_#t~mem12.offset| 0) (= 0 |main_#t~mem12.base|))), 28547#(or (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (not |main_#t~short14|)), 28548#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 28549#(and (= 12 (select |#length| |main_#t~mem15.base|)) (= 0 |main_#t~mem15.offset|)), 28550#(and (= main_~x~0.offset 0) (= (select |#length| main_~x~0.base) 12)), 28520#true, 28521#false, 28522#(and (= |main_#t~malloc0.offset| 0) (= 12 (select |#length| |main_#t~malloc0.base|))), 28523#(and (= 12 (select |#length| main_~head~0.base)) (= main_~head~0.offset 0)), 28524#(and (= 12 (select |#length| main_~head~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 28525#(and (= 12 (select |#length| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 28526#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= 12 (select |#length| |main_#t~malloc5.base|)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#length| main_~x~0.base) 12)), 28527#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1) (= (select |#length| main_~x~0.base) 12)), 28528#(and (= 12 (select |#length| |main_#t~mem7.base|)) (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1) (= (select |#length| main_~x~0.base) 12)), 28529#(and (= 12 (select |#length| main_~head~0.base)) (= 12 (select |#length| |main_#t~mem9.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|) (not (= main_~head~0.base |main_#t~mem9.base|)) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 28530#(and (= 12 (select |#length| main_~x~0.base)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))), 28531#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~x~0.base)) (= 12 (select |#length| main_~head~0.base)) (= 1 (select |#valid| main_~x~0.base)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 28532#(and (= 12 (select |#length| main_~x~0.base)) (= 12 (select |#length| main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset 0)), 28533#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~x~0.base)) (= 12 (select |#length| main_~head~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~x~0.base) 1)), 28534#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~x~0.base)) (= 12 (select |#length| main_~head~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base |main_#t~mem7.base|)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 28535#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~x~0.base)) (= 12 (select |#length| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~x~0.base) 1)), 28536#(and (= 12 (select |#length| main_~head~0.base)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 1) (not (= main_~head~0.base |main_#t~mem9.base|)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 28537#(and (= 12 (select |#length| main_~head~0.base)) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 1) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)))), 28538#(and (= 12 (select |#length| main_~head~0.base)) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base main_~x~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset 0)), 28539#(or (and (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| main_~head~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset 0)) (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= main_~head~0.offset 0))), 28540#(or (and (= 12 (select |#length| main_~head~0.base)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base) (= main_~head~0.offset 0))), 28541#(or (and (= 12 (select |#length| main_~head~0.base)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= 12 (select |#length| main_~head~0.base)) (= main_~head~0.base |main_#t~mem9.base|) (= main_~head~0.offset 0))), 28542#(or (and (or (not (= main_~x~0.offset 0)) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base))) (= (select |#length| main_~x~0.base) 12)) (and (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))))), 28543#(or (and (<= 0 main_~x~0.offset) (or (not (= main_~x~0.offset 0)) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))) (= (select |#length| main_~x~0.base) 12)) (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))] [2018-02-04 03:38:59,379 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:38:59,379 INFO L409 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-02-04 03:38:59,379 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-02-04 03:38:59,380 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=161, Invalid=769, Unknown=0, NotChecked=0, Total=930 [2018-02-04 03:38:59,380 INFO L87 Difference]: Start difference. First operand 380 states and 444 transitions. Second operand 31 states. [2018-02-04 03:39:02,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:39:02,003 INFO L93 Difference]: Finished difference Result 565 states and 644 transitions. [2018-02-04 03:39:02,004 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-02-04 03:39:02,004 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 63 [2018-02-04 03:39:02,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:39:02,005 INFO L225 Difference]: With dead ends: 565 [2018-02-04 03:39:02,005 INFO L226 Difference]: Without dead ends: 565 [2018-02-04 03:39:02,006 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1351 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=1026, Invalid=4086, Unknown=0, NotChecked=0, Total=5112 [2018-02-04 03:39:02,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2018-02-04 03:39:02,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 398. [2018-02-04 03:39:02,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 398 states. [2018-02-04 03:39:02,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 465 transitions. [2018-02-04 03:39:02,008 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 465 transitions. Word has length 63 [2018-02-04 03:39:02,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:39:02,008 INFO L432 AbstractCegarLoop]: Abstraction has 398 states and 465 transitions. [2018-02-04 03:39:02,008 INFO L433 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-02-04 03:39:02,009 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 465 transitions. [2018-02-04 03:39:02,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-02-04 03:39:02,009 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:39:02,009 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 03:39:02,009 INFO L371 AbstractCegarLoop]: === Iteration 48 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:39:02,009 INFO L82 PathProgramCache]: Analyzing trace with hash 1256545013, now seen corresponding path program 3 times [2018-02-04 03:39:02,009 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:39:02,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:39:02,020 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:39:02,599 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:39:02,599 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:39:02,599 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-02-04 03:39:02,599 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:39:02,600 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 03:39:02,600 INFO L182 omatonBuilderFactory]: Interpolants [29596#true, 29597#false, 29598#(= 0 |main_#t~malloc0.offset|), 29599#(= 0 main_~head~0.offset), 29600#(and (= 0 main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base))), 29601#(and (= main_~head~0.offset main_~x~0.offset) (= main_~x~0.offset 0) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 29602#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= |main_#t~malloc5.offset| 0) (= main_~head~0.offset main_~x~0.offset) (= main_~x~0.offset 0) (= main_~x~0.base main_~head~0.base)), 29603#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (= main_~head~0.offset main_~x~0.offset) (= main_~x~0.offset 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 29604#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (= main_~head~0.offset main_~x~0.offset) (= main_~x~0.offset 0) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= (select |#valid| main_~x~0.base) 1) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~head~0.offset)))), 29605#(and (= 0 main_~head~0.offset) (not (= main_~head~0.base |main_#t~mem9.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~head~0.base) 1) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0)), 29606#(and (= 0 main_~head~0.offset) (= (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset) 0) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)))), 29607#(and (= 0 main_~head~0.offset) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset))) (= (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset) 0)), 29608#(and (= 0 main_~head~0.offset) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0)), 29609#(and (= 0 main_~head~0.offset) (= (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset) 0) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)))), 29610#(and (= 0 main_~head~0.offset) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0)), 29611#(or (and (= 0 main_~head~0.offset) (or (and (= (select (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0) main_~head~0.offset) 0) (= main_~x~0.base main_~head~0.base)) (<= (+ main_~x~0.offset 8) 0))) (and (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))))), 29612#(or (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))) (and (= 0 main_~head~0.offset) (not (= (+ main_~x~0.offset 8) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base))), 29613#(or (and (= 0 main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 29614#(and (= main_~x~0.offset main_~head~0.offset) (or (and (= main_~x~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))) (= main_~x~0.base main_~head~0.base)), 29615#(and (or (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 29616#(and (or (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (and (<= main_~x~0.offset 0) (= 1 (select |#valid| main_~x~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 29617#(or (and (= |main_#t~mem25.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= |main_#t~mem25.base| main_~head~0.base))) (and (not (= (+ |main_#t~mem25.offset| 8) main_~head~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem25.base|) main_~head~0.offset))) (= |main_#t~mem25.base| main_~head~0.base))), 29618#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 29619#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 29620#(= 1 (select |#valid| |main_#t~mem27.base|)), 29621#(= 1 (select |#valid| main_~next~0.base)), 29622#(= 1 (select |#valid| main_~x~0.base))] [2018-02-04 03:39:02,600 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:39:02,600 INFO L409 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-02-04 03:39:02,600 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-02-04 03:39:02,600 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=590, Unknown=0, NotChecked=0, Total=702 [2018-02-04 03:39:02,600 INFO L87 Difference]: Start difference. First operand 398 states and 465 transitions. Second operand 27 states. [2018-02-04 03:39:03,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:39:03,983 INFO L93 Difference]: Finished difference Result 500 states and 573 transitions. [2018-02-04 03:39:03,983 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-02-04 03:39:03,983 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 64 [2018-02-04 03:39:03,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:39:03,984 INFO L225 Difference]: With dead ends: 500 [2018-02-04 03:39:03,984 INFO L226 Difference]: Without dead ends: 500 [2018-02-04 03:39:03,985 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 3 SyntacticMatches, 5 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 841 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=682, Invalid=2510, Unknown=0, NotChecked=0, Total=3192 [2018-02-04 03:39:03,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2018-02-04 03:39:03,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 414. [2018-02-04 03:39:03,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 414 states. [2018-02-04 03:39:03,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 485 transitions. [2018-02-04 03:39:03,987 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 485 transitions. Word has length 64 [2018-02-04 03:39:03,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:39:03,988 INFO L432 AbstractCegarLoop]: Abstraction has 414 states and 485 transitions. [2018-02-04 03:39:03,988 INFO L433 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-02-04 03:39:03,988 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 485 transitions. [2018-02-04 03:39:03,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-02-04 03:39:03,988 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:39:03,988 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 03:39:03,988 INFO L371 AbstractCegarLoop]: === Iteration 49 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:39:03,988 INFO L82 PathProgramCache]: Analyzing trace with hash 1256545014, now seen corresponding path program 2 times [2018-02-04 03:39:03,989 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:39:03,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:39:04,000 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:39:04,560 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:39:04,560 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:39:04,560 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-02-04 03:39:04,560 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:39:04,561 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 03:39:04,561 INFO L182 omatonBuilderFactory]: Interpolants [30597#true, 30598#false, 30599#(= 1 (select |#valid| main_~head~0.base)), 30600#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 30601#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 30602#(and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 30603#(and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= (select |#valid| main_~x~0.base) 1)), 30604#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~head~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 30605#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))), 30606#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (<= 0 main_~x~0.offset) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 30607#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (<= 12 (select |#length| main_~x~0.base)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~x~0.base) 1)), 30608#(and (not (= main_~head~0.base |main_#t~malloc5.base|)) (<= 12 (select |#length| main_~x~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset))), 30609#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (<= 12 (select |#length| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 30610#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (<= 12 (select |#length| main_~x~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem7.base|))), 30611#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (<= 12 (select |#length| main_~x~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 30612#(and (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem9.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 30613#(and (<= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))), 30614#(and (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 30615#(and (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 30616#(and (<= 12 (select |#length| |main_#t~mem25.base|)) (= |main_#t~mem25.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= |main_#t~mem25.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 30617#(and (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 30618#(and (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 30619#(and (= |main_#t~mem27.offset| (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (<= 12 (select |#length| |main_#t~mem27.base|))), 30620#(and (= main_~next~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (<= 12 (select |#length| main_~next~0.base))), 30621#(and (= 0 main_~next~0.offset) (<= 12 (select |#length| main_~next~0.base))), 30622#(and (<= 12 (select |#length| main_~x~0.base)) (= 0 main_~x~0.offset))] [2018-02-04 03:39:04,561 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:39:04,561 INFO L409 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-02-04 03:39:04,561 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-02-04 03:39:04,561 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=565, Unknown=0, NotChecked=0, Total=650 [2018-02-04 03:39:04,562 INFO L87 Difference]: Start difference. First operand 414 states and 485 transitions. Second operand 26 states. [2018-02-04 03:39:05,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:39:05,837 INFO L93 Difference]: Finished difference Result 560 states and 644 transitions. [2018-02-04 03:39:05,837 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-02-04 03:39:05,837 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 64 [2018-02-04 03:39:05,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:39:05,838 INFO L225 Difference]: With dead ends: 560 [2018-02-04 03:39:05,838 INFO L226 Difference]: Without dead ends: 560 [2018-02-04 03:39:05,838 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 2 SyntacticMatches, 5 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 399 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=268, Invalid=1624, Unknown=0, NotChecked=0, Total=1892 [2018-02-04 03:39:05,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2018-02-04 03:39:05,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 429. [2018-02-04 03:39:05,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 429 states. [2018-02-04 03:39:05,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 501 transitions. [2018-02-04 03:39:05,841 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 501 transitions. Word has length 64 [2018-02-04 03:39:05,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:39:05,841 INFO L432 AbstractCegarLoop]: Abstraction has 429 states and 501 transitions. [2018-02-04 03:39:05,841 INFO L433 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-02-04 03:39:05,841 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 501 transitions. [2018-02-04 03:39:05,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-02-04 03:39:05,842 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:39:05,842 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:39:05,842 INFO L371 AbstractCegarLoop]: === Iteration 50 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:39:05,842 INFO L82 PathProgramCache]: Analyzing trace with hash -1601841144, now seen corresponding path program 3 times [2018-02-04 03:39:05,843 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:39:05,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:39:05,858 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:39:06,531 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:39:06,531 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:39:06,532 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-02-04 03:39:06,532 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:39:06,532 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 03:39:06,532 INFO L182 omatonBuilderFactory]: Interpolants [31648#true, 31649#false, 31650#(and (= |main_#t~malloc0.offset| 0) (= 12 (select |#length| |main_#t~malloc0.base|))), 31651#(and (= 12 (select |#length| main_~head~0.base)) (= main_~head~0.offset 0)), 31652#(and (= 12 (select |#length| main_~head~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 31653#(and (= 12 (select |#length| main_~x~0.base)) (= main_~x~0.offset 0) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 31654#(and (= 12 (select |#length| main_~x~0.base)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset 0) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 31655#(and (= 12 (select |#length| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset 0) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 31656#(and (= 12 (select |#length| main_~x~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 31657#(and (= 12 (select |#length| main_~head~0.base)) (= |main_#t~mem9.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 31658#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 31659#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~head~0.base)) (= 1 (select |#valid| main_~x~0.base)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 31660#(and (= 12 (select |#length| main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset 0)), 31661#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~head~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 31662#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~head~0.base)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem7.base|)) (= main_~head~0.offset 0)), 31663#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~head~0.base)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset 0)), 31664#(and (= 12 (select |#length| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset 0)), 31665#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 31666#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| main_~head~0.base)) (not (= main_~head~0.base main_~x~0.base)) (= 12 (select |#length| |main_#t~malloc5.base|)) (= main_~head~0.offset 0)), 31667#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| main_~head~0.base)) (not (= main_~head~0.base main_~x~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset 0)), 31668#(or (and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| main_~head~0.base)) (= main_~head~0.offset 0)) (and (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= main_~head~0.offset 0))), 31669#(or (and (= 12 (select |#length| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset 0)) (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base) (= main_~head~0.offset 0))), 31670#(or (and (= 12 (select |#length| |main_#t~mem9.base|)) (= |main_#t~mem9.base| main_~head~0.base) (= main_~head~0.offset 0)) (and (= 12 (select |#length| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset 0))), 31671#(or (and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))) (and (or (not (= main_~x~0.offset 0)) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base))) (= (select |#length| main_~x~0.base) 12)) (and (or (not (= main_~x~0.offset 0)) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base))) (= main_~x~0.offset 0))), 31672#(or (and (<= 0 main_~x~0.offset) (or (not (= main_~x~0.offset 0)) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))) (= (select |#length| main_~x~0.base) 12)) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))) (and (= main_~x~0.offset 0) (or (not (= main_~x~0.offset 0)) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))))), 31673#(or (and (= 0 main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 31674#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 31675#(or (and (= 0 |main_#t~mem17.base|) (= |main_#t~mem17.offset| 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 31676#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 31677#(= 1 (select |#valid| |main_#t~mem25.base|))] [2018-02-04 03:39:06,532 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:39:06,532 INFO L409 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-02-04 03:39:06,533 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-02-04 03:39:06,533 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=737, Unknown=0, NotChecked=0, Total=870 [2018-02-04 03:39:06,533 INFO L87 Difference]: Start difference. First operand 429 states and 501 transitions. Second operand 30 states. [2018-02-04 03:39:08,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:39:08,461 INFO L93 Difference]: Finished difference Result 553 states and 632 transitions. [2018-02-04 03:39:08,461 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-02-04 03:39:08,461 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 64 [2018-02-04 03:39:08,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:39:08,462 INFO L225 Difference]: With dead ends: 553 [2018-02-04 03:39:08,462 INFO L226 Difference]: Without dead ends: 553 [2018-02-04 03:39:08,463 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 2 SyntacticMatches, 6 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1062 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=729, Invalid=3303, Unknown=0, NotChecked=0, Total=4032 [2018-02-04 03:39:08,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 553 states. [2018-02-04 03:39:08,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 553 to 437. [2018-02-04 03:39:08,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 437 states. [2018-02-04 03:39:08,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 511 transitions. [2018-02-04 03:39:08,466 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 511 transitions. Word has length 64 [2018-02-04 03:39:08,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:39:08,466 INFO L432 AbstractCegarLoop]: Abstraction has 437 states and 511 transitions. [2018-02-04 03:39:08,466 INFO L433 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-02-04 03:39:08,466 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 511 transitions. [2018-02-04 03:39:08,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-02-04 03:39:08,467 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:39:08,467 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:39:08,467 INFO L371 AbstractCegarLoop]: === Iteration 51 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:39:08,467 INFO L82 PathProgramCache]: Analyzing trace with hash -1601841143, now seen corresponding path program 3 times [2018-02-04 03:39:08,467 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:39:08,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:39:08,486 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:39:09,340 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:39:09,340 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:39:09,340 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-02-04 03:39:09,341 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:39:09,341 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 03:39:09,341 INFO L182 omatonBuilderFactory]: Interpolants [32736#true, 32737#false, 32738#(= |main_#t~malloc0.offset| 0), 32739#(= main_~head~0.offset 0), 32740#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 32741#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 32742#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= 12 (select |#length| |main_#t~malloc5.base|)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 32743#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 32744#(and (= 12 (select |#length| |main_#t~mem7.base|)) (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (not (= main_~x~0.base |main_#t~mem7.base|)) (= (select |#valid| main_~x~0.base) 1)), 32745#(and (= 12 (select |#length| |main_#t~mem9.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|) (not (= main_~head~0.base |main_#t~mem9.base|)) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 32746#(and (= 12 (select |#length| main_~x~0.base)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))), 32747#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~x~0.base)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 32748#(and (= 12 (select |#length| main_~x~0.base)) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset 0)), 32749#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~x~0.base) 1)), 32750#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~x~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base |main_#t~mem7.base|)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 32751#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~x~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~x~0.base) 1)), 32752#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 1) (not (= main_~head~0.base |main_#t~mem9.base|)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 32753#(and (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 1) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)))), 32754#(and (= 1 (select |#valid| main_~x~0.base)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 1) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 32755#(and (= 0 main_~head~0.offset) (= main_~head~0.offset |main_#t~malloc5.offset|) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset))), 32756#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 32757#(and (or (and (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= main_~x~0.base |main_#t~mem7.base|))), 32758#(or (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 32759#(or (and (= 0 |main_#t~mem9.offset|) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset |main_#t~mem9.offset|) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= 0 |main_#t~mem9.offset|) (= main_~head~0.offset |main_#t~mem9.offset|) (= main_~head~0.base |main_#t~mem9.base|))), 32760#(or (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.offset 0) (= main_~x~0.base main_~head~0.base)) (and (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))))), 32761#(or (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.offset 0) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 32762#(or (and (= 0 main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 32763#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 32764#(or (and (= 0 |main_#t~mem17.base|) (= |main_#t~mem17.offset| 0)) (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 32765#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 32766#(and (= |main_#t~mem25.offset| 0) (= (select |#length| |main_#t~mem25.base|) 12))] [2018-02-04 03:39:09,341 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:39:09,341 INFO L409 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-02-04 03:39:09,341 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-02-04 03:39:09,342 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=796, Unknown=0, NotChecked=0, Total=930 [2018-02-04 03:39:09,342 INFO L87 Difference]: Start difference. First operand 437 states and 511 transitions. Second operand 31 states. [2018-02-04 03:39:11,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:39:11,287 INFO L93 Difference]: Finished difference Result 515 states and 588 transitions. [2018-02-04 03:39:11,287 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-02-04 03:39:11,287 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 64 [2018-02-04 03:39:11,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:39:11,288 INFO L225 Difference]: With dead ends: 515 [2018-02-04 03:39:11,289 INFO L226 Difference]: Without dead ends: 515 [2018-02-04 03:39:11,289 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 947 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=705, Invalid=3077, Unknown=0, NotChecked=0, Total=3782 [2018-02-04 03:39:11,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2018-02-04 03:39:11,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 437. [2018-02-04 03:39:11,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 437 states. [2018-02-04 03:39:11,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 510 transitions. [2018-02-04 03:39:11,292 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 510 transitions. Word has length 64 [2018-02-04 03:39:11,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:39:11,292 INFO L432 AbstractCegarLoop]: Abstraction has 437 states and 510 transitions. [2018-02-04 03:39:11,292 INFO L433 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-02-04 03:39:11,292 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 510 transitions. [2018-02-04 03:39:11,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-02-04 03:39:11,293 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:39:11,293 INFO L351 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:39:11,293 INFO L371 AbstractCegarLoop]: === Iteration 52 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:39:11,293 INFO L82 PathProgramCache]: Analyzing trace with hash -1265713199, now seen corresponding path program 1 times [2018-02-04 03:39:11,293 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:39:11,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:39:11,298 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:39:11,344 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-02-04 03:39:11,345 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:39:11,345 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-02-04 03:39:11,345 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:39:11,345 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 03:39:11,345 INFO L182 omatonBuilderFactory]: Interpolants [33781#true, 33782#false, 33783#(= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) |main_#t~mem30|), 33784#(= main_~t1~0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8))), 33785#(and (not (= main_~t1~0 2)) (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) main_~t1~0)), 33786#(not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) 2)), 33787#(not (= |main_#t~mem33| 2))] [2018-02-04 03:39:11,346 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-02-04 03:39:11,346 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-02-04 03:39:11,346 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-02-04 03:39:11,346 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-02-04 03:39:11,346 INFO L87 Difference]: Start difference. First operand 437 states and 510 transitions. Second operand 7 states. [2018-02-04 03:39:11,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:39:11,487 INFO L93 Difference]: Finished difference Result 468 states and 542 transitions. [2018-02-04 03:39:11,487 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-02-04 03:39:11,487 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2018-02-04 03:39:11,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:39:11,488 INFO L225 Difference]: With dead ends: 468 [2018-02-04 03:39:11,488 INFO L226 Difference]: Without dead ends: 468 [2018-02-04 03:39:11,488 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-02-04 03:39:11,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468 states. [2018-02-04 03:39:11,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468 to 457. [2018-02-04 03:39:11,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 457 states. [2018-02-04 03:39:11,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 532 transitions. [2018-02-04 03:39:11,491 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 532 transitions. Word has length 66 [2018-02-04 03:39:11,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:39:11,491 INFO L432 AbstractCegarLoop]: Abstraction has 457 states and 532 transitions. [2018-02-04 03:39:11,491 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-02-04 03:39:11,491 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 532 transitions. [2018-02-04 03:39:11,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-02-04 03:39:11,491 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:39:11,491 INFO L351 BasicCegarLoop]: trace histogram [3, 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] [2018-02-04 03:39:11,491 INFO L371 AbstractCegarLoop]: === Iteration 53 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:39:11,492 INFO L82 PathProgramCache]: Analyzing trace with hash -696238314, now seen corresponding path program 1 times [2018-02-04 03:39:11,492 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:39:11,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:39:11,496 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:39:11,573 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:39:11,573 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:39:11,573 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2018-02-04 03:39:11,574 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:39:11,574 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 03:39:11,574 INFO L182 omatonBuilderFactory]: Interpolants [34720#(= 1 (select |#valid| main_~x~0.base)), 34721#(= 1 (select |#valid| main_~prev~0.base)), 34722#(= 1 (select |#valid| (select (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 4) main_~next~0.base) main_~x~0.offset))), 34723#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~prev~0.base) main_~prev~0.offset))), 34724#(= 1 (select |#valid| |main_#t~mem35.base|)), 34715#true, 34716#false, 34717#(= main_~x~0.base main_~head~0.base), 34718#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.base main_~head~0.base)), 34719#(= 1 (select |#valid| main_~head~0.base))] [2018-02-04 03:39:11,574 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:39:11,574 INFO L409 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-02-04 03:39:11,574 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-02-04 03:39:11,574 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-02-04 03:39:11,574 INFO L87 Difference]: Start difference. First operand 457 states and 532 transitions. Second operand 10 states. [2018-02-04 03:39:11,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:39:11,848 INFO L93 Difference]: Finished difference Result 522 states and 576 transitions. [2018-02-04 03:39:11,849 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-02-04 03:39:11,849 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 68 [2018-02-04 03:39:11,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:39:11,850 INFO L225 Difference]: With dead ends: 522 [2018-02-04 03:39:11,850 INFO L226 Difference]: Without dead ends: 522 [2018-02-04 03:39:11,850 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=136, Invalid=284, Unknown=0, NotChecked=0, Total=420 [2018-02-04 03:39:11,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2018-02-04 03:39:11,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 473. [2018-02-04 03:39:11,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 473 states. [2018-02-04 03:39:11,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 554 transitions. [2018-02-04 03:39:11,853 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 554 transitions. Word has length 68 [2018-02-04 03:39:11,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:39:11,853 INFO L432 AbstractCegarLoop]: Abstraction has 473 states and 554 transitions. [2018-02-04 03:39:11,853 INFO L433 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-02-04 03:39:11,853 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 554 transitions. [2018-02-04 03:39:11,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-02-04 03:39:11,854 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:39:11,854 INFO L351 BasicCegarLoop]: trace histogram [3, 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] [2018-02-04 03:39:11,854 INFO L371 AbstractCegarLoop]: === Iteration 54 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:39:11,854 INFO L82 PathProgramCache]: Analyzing trace with hash -696238313, now seen corresponding path program 1 times [2018-02-04 03:39:11,855 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:39:11,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:39:11,860 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:39:12,009 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:39:12,009 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:39:12,009 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-02-04 03:39:12,010 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:39:12,010 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 03:39:12,010 INFO L182 omatonBuilderFactory]: Interpolants [35744#false, 35745#(and (= 0 |main_#t~malloc0.offset|) (= 12 (select |#length| |main_#t~malloc0.base|))), 35746#(and (= 0 main_~head~0.offset) (= 12 (select |#length| main_~head~0.base))), 35747#(and (= 0 main_~head~0.offset) (= 12 (select |#length| main_~head~0.base)) (= 1 (select |#valid| main_~head~0.base))), 35748#(and (= 0 main_~head~0.offset) (= 12 (select |#length| main_~x~0.base)) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 35749#(and (= 0 main_~head~0.offset) (= 12 (select |#length| main_~x~0.base)) (= main_~x~0.base main_~head~0.base)), 35750#(and (= (select |#length| main_~x~0.base) 12) (= 0 main_~x~0.offset)), 35751#(and (= 0 main_~prev~0.offset) (<= 12 (select |#length| main_~prev~0.base))), 35752#(and (= 0 (select (store (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 4) main_~next~0.offset) main_~x~0.offset)) (<= 12 (select |#length| (select (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 4) main_~next~0.base) main_~x~0.offset)))), 35753#(and (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~prev~0.base) main_~prev~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~prev~0.base) main_~prev~0.offset))), 35754#(and (= 0 |main_#t~mem35.offset|) (<= 12 (select |#length| |main_#t~mem35.base|))), 35755#(and (<= 12 (select |#length| main_~x~0.base)) (= 0 main_~x~0.offset)), 35743#true] [2018-02-04 03:39:12,010 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:39:12,010 INFO L409 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-02-04 03:39:12,010 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-02-04 03:39:12,010 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2018-02-04 03:39:12,010 INFO L87 Difference]: Start difference. First operand 473 states and 554 transitions. Second operand 13 states. [2018-02-04 03:39:12,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:39:12,523 INFO L93 Difference]: Finished difference Result 608 states and 683 transitions. [2018-02-04 03:39:12,523 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-02-04 03:39:12,523 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 68 [2018-02-04 03:39:12,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:39:12,524 INFO L225 Difference]: With dead ends: 608 [2018-02-04 03:39:12,524 INFO L226 Difference]: Without dead ends: 608 [2018-02-04 03:39:12,525 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=113, Invalid=487, Unknown=0, NotChecked=0, Total=600 [2018-02-04 03:39:12,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 608 states. [2018-02-04 03:39:12,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 608 to 505. [2018-02-04 03:39:12,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 505 states. [2018-02-04 03:39:12,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 595 transitions. [2018-02-04 03:39:12,528 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 595 transitions. Word has length 68 [2018-02-04 03:39:12,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:39:12,528 INFO L432 AbstractCegarLoop]: Abstraction has 505 states and 595 transitions. [2018-02-04 03:39:12,529 INFO L433 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-02-04 03:39:12,529 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 595 transitions. [2018-02-04 03:39:12,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-02-04 03:39:12,529 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:39:12,529 INFO L351 BasicCegarLoop]: trace histogram [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 03:39:12,529 INFO L371 AbstractCegarLoop]: === Iteration 55 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:39:12,529 INFO L82 PathProgramCache]: Analyzing trace with hash -1784494775, now seen corresponding path program 1 times [2018-02-04 03:39:12,530 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:39:12,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:39:12,539 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:39:13,102 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:39:13,102 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:39:13,102 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-02-04 03:39:13,102 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:39:13,102 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 03:39:13,103 INFO L182 omatonBuilderFactory]: Interpolants [36893#true, 36894#false, 36895#(and (= 0 |main_#t~malloc0.offset|) (= 12 (select |#length| |main_#t~malloc0.base|))), 36896#(and (= 0 main_~head~0.offset) (= 12 (select |#length| main_~head~0.base))), 36897#(and (= 0 main_~head~0.offset) (= 12 (select |#length| main_~head~0.base)) (= 1 (select |#valid| main_~head~0.base))), 36898#(and (= 0 main_~head~0.offset) (= 12 (select |#length| main_~head~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 36899#(and (= 0 |main_#t~malloc5.offset|) (= 0 main_~head~0.offset) (= 12 (select |#length| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 36900#(and (= 0 main_~head~0.offset) (= 12 (select |#length| main_~head~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 36901#(and (= 0 main_~head~0.offset) (= 12 (select |#length| main_~head~0.base)) (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|))), 36902#(and (= 0 main_~head~0.offset) (= 12 (select |#length| main_~head~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= (select |#valid| main_~head~0.base) 1) (= main_~x~0.base main_~head~0.base)), 36903#(and (= 0 main_~head~0.offset) (= 12 (select |#length| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~head~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 36904#(and (= 0 main_~head~0.offset) (= 12 (select |#length| main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))), 36905#(and (= 0 main_~head~0.offset) (= 12 (select |#length| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~head~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 36906#(and (= 12 (select |#length| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem15.base|)) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0) (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 36907#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 36908#(and (not (= main_~head~0.base |main_#t~malloc18.base|)) (= 12 (select |#length| main_~head~0.base)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc18.base|)) main_~head~0.base) main_~head~0.offset)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc18.offset|)) main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset 0)), 36909#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~head~0.base)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 36910#(and (= 12 (select |#length| main_~head~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem20.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset 0)), 36911#(and (= 12 (select |#length| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 36912#(or (and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))) (and (or (not (= main_~x~0.offset 0)) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base))) (= (select |#length| main_~x~0.base) 12))), 36913#(or (and (<= 0 main_~x~0.offset) (or (not (= main_~x~0.offset 0)) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))) (= (select |#length| main_~x~0.base) 12)) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)))), 36914#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 36915#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 36916#(or (= 1 (select |#valid| |main_#t~mem27.base|)) (and (= 0 |main_#t~mem27.offset|) (= 0 |main_#t~mem27.base|))), 36917#(or (and (= 0 main_~next~0.offset) (= 0 main_~next~0.base)) (= 1 (select |#valid| main_~next~0.base))), 36918#(or (= 1 (select |#valid| main_~x~0.base)) (and (= 0 main_~x~0.base) (= 0 main_~x~0.offset))), 36919#(= 1 (select |#valid| main_~x~0.base))] [2018-02-04 03:39:13,103 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:39:13,103 INFO L409 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-02-04 03:39:13,103 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-02-04 03:39:13,103 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=592, Unknown=0, NotChecked=0, Total=702 [2018-02-04 03:39:13,103 INFO L87 Difference]: Start difference. First operand 505 states and 595 transitions. Second operand 27 states. [2018-02-04 03:39:14,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:39:14,875 INFO L93 Difference]: Finished difference Result 624 states and 720 transitions. [2018-02-04 03:39:14,875 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-02-04 03:39:14,875 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 68 [2018-02-04 03:39:14,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:39:14,877 INFO L225 Difference]: With dead ends: 624 [2018-02-04 03:39:14,877 INFO L226 Difference]: Without dead ends: 624 [2018-02-04 03:39:14,877 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 4 SyntacticMatches, 4 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1074 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=804, Invalid=3228, Unknown=0, NotChecked=0, Total=4032 [2018-02-04 03:39:14,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 624 states. [2018-02-04 03:39:14,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 624 to 521. [2018-02-04 03:39:14,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 521 states. [2018-02-04 03:39:14,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 611 transitions. [2018-02-04 03:39:14,880 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 611 transitions. Word has length 68 [2018-02-04 03:39:14,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:39:14,880 INFO L432 AbstractCegarLoop]: Abstraction has 521 states and 611 transitions. [2018-02-04 03:39:14,880 INFO L433 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-02-04 03:39:14,880 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 611 transitions. [2018-02-04 03:39:14,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-02-04 03:39:14,880 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:39:14,881 INFO L351 BasicCegarLoop]: trace histogram [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 03:39:14,881 INFO L371 AbstractCegarLoop]: === Iteration 56 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:39:14,881 INFO L82 PathProgramCache]: Analyzing trace with hash -1784494774, now seen corresponding path program 1 times [2018-02-04 03:39:14,881 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:39:14,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:39:14,890 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:39:15,393 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:39:15,394 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:39:15,394 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-02-04 03:39:15,394 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:39:15,394 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 03:39:15,395 INFO L182 omatonBuilderFactory]: Interpolants [38144#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) 1) (= (select |#valid| main_~x~0.base) 1)), 38145#(and (= 12 (select |#length| |main_#t~mem7.base|)) (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~head~0.offset)) 1) (= (select |#valid| main_~x~0.base) 1)), 38146#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 1) (not (= main_~head~0.base |main_#t~mem9.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~head~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 38147#(and (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 1) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)))), 38148#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 1) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~head~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 38149#(and (= 12 (select |#length| |main_#t~mem15.base|)) (not (= main_~head~0.base |main_#t~mem15.base|)) (= (select |#valid| main_~head~0.base) 1) (= (select |#valid| |main_#t~mem15.base|) 1) (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 38150#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~x~0.base)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~x~0.base) 1)), 38151#(and (= 12 (select |#length| main_~x~0.base)) (not (= main_~head~0.base |main_#t~malloc18.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc18.base|)) main_~head~0.base) main_~head~0.offset)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc18.offset|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base |main_#t~malloc18.base|))), 38152#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 38153#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~x~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem20.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem20.base|))), 38154#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~x~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 38155#(and (not (= main_~head~0.base |main_#t~mem22.base|)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 38156#(and (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)))), 38157#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 38158#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 38159#(and (= |main_#t~mem27.offset| (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 12 (select |#length| |main_#t~mem27.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 38160#(and (= 12 (select |#length| main_~next~0.base)) (= main_~next~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 38161#(and (= 12 (select |#length| main_~next~0.base)) (= 0 main_~next~0.offset)), 38162#(and (= (select |#length| main_~x~0.base) 12) (= 0 main_~x~0.offset)), 38139#true, 38140#false, 38141#(= 1 (select |#valid| main_~head~0.base)), 38142#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 38143#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= (select |#valid| |main_#t~malloc5.base|) 1) (= 12 (select |#length| |main_#t~malloc5.base|)) (= main_~x~0.base main_~head~0.base))] [2018-02-04 03:39:15,395 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:39:15,395 INFO L409 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-02-04 03:39:15,395 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-02-04 03:39:15,395 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=471, Unknown=0, NotChecked=0, Total=552 [2018-02-04 03:39:15,395 INFO L87 Difference]: Start difference. First operand 521 states and 611 transitions. Second operand 24 states. [2018-02-04 03:39:16,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:39:16,756 INFO L93 Difference]: Finished difference Result 621 states and 720 transitions. [2018-02-04 03:39:16,756 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-02-04 03:39:16,756 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 68 [2018-02-04 03:39:16,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:39:16,757 INFO L225 Difference]: With dead ends: 621 [2018-02-04 03:39:16,757 INFO L226 Difference]: Without dead ends: 621 [2018-02-04 03:39:16,758 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 2 SyntacticMatches, 6 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 288 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=213, Invalid=1193, Unknown=0, NotChecked=0, Total=1406 [2018-02-04 03:39:16,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 621 states. [2018-02-04 03:39:16,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 621 to 521. [2018-02-04 03:39:16,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 521 states. [2018-02-04 03:39:16,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 611 transitions. [2018-02-04 03:39:16,760 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 611 transitions. Word has length 68 [2018-02-04 03:39:16,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:39:16,761 INFO L432 AbstractCegarLoop]: Abstraction has 521 states and 611 transitions. [2018-02-04 03:39:16,761 INFO L433 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-02-04 03:39:16,761 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 611 transitions. [2018-02-04 03:39:16,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-02-04 03:39:16,761 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:39:16,761 INFO L351 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:39:16,761 INFO L371 AbstractCegarLoop]: === Iteration 57 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:39:16,761 INFO L82 PathProgramCache]: Analyzing trace with hash 524108094, now seen corresponding path program 1 times [2018-02-04 03:39:16,762 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:39:16,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:39:16,767 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:39:16,800 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-02-04 03:39:16,800 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:39:16,800 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 03:39:16,801 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:39:16,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:39:16,801 INFO L182 omatonBuilderFactory]: Interpolants [39333#true, 39334#false, 39335#(= |main_#t~mem31.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)), 39336#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 39337#(= 1 (select |#valid| |main_#t~mem34.base|)), 39338#(= 1 (select |#valid| main_~x~0.base))] [2018-02-04 03:39:16,801 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-02-04 03:39:16,801 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 03:39:16,801 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 03:39:16,801 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-02-04 03:39:16,801 INFO L87 Difference]: Start difference. First operand 521 states and 611 transitions. Second operand 6 states. [2018-02-04 03:39:16,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:39:16,966 INFO L93 Difference]: Finished difference Result 533 states and 624 transitions. [2018-02-04 03:39:16,966 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-02-04 03:39:16,966 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 69 [2018-02-04 03:39:16,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:39:16,967 INFO L225 Difference]: With dead ends: 533 [2018-02-04 03:39:16,967 INFO L226 Difference]: Without dead ends: 533 [2018-02-04 03:39:16,967 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-02-04 03:39:16,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 533 states. [2018-02-04 03:39:16,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 533 to 518. [2018-02-04 03:39:16,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 518 states. [2018-02-04 03:39:16,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 518 states and 605 transitions. [2018-02-04 03:39:16,970 INFO L78 Accepts]: Start accepts. Automaton has 518 states and 605 transitions. Word has length 69 [2018-02-04 03:39:16,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:39:16,971 INFO L432 AbstractCegarLoop]: Abstraction has 518 states and 605 transitions. [2018-02-04 03:39:16,971 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 03:39:16,971 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 605 transitions. [2018-02-04 03:39:16,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-02-04 03:39:16,971 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:39:16,972 INFO L351 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:39:16,972 INFO L371 AbstractCegarLoop]: === Iteration 58 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:39:16,972 INFO L82 PathProgramCache]: Analyzing trace with hash 524108095, now seen corresponding path program 1 times [2018-02-04 03:39:16,972 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:39:16,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:39:16,983 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:39:17,096 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:39:17,097 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:39:17,097 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2018-02-04 03:39:17,097 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:39:17,097 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 03:39:17,097 INFO L182 omatonBuilderFactory]: Interpolants [40400#(= 0 |main_#t~malloc0.offset|), 40401#(= 0 main_~head~0.offset), 40402#(= 0 main_~x~0.offset), 40403#(= 0 main_~prev~0.offset), 40404#(= 0 (select (store (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 4) main_~next~0.offset) main_~x~0.offset)), 40405#(= 0 (select (select |#memory_$Pointer$.offset| main_~prev~0.base) main_~prev~0.offset)), 40406#(and (= |main_#t~mem31.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= |main_#t~mem31.offset| (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= |main_#t~mem31.offset| 0)), 40407#(and (<= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (<= (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 12) (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 40408#(and (<= (+ |main_#t~mem34.offset| 12) (select |#length| |main_#t~mem34.base|)) (<= 0 |main_#t~mem34.offset|)), 40409#(and (<= (+ main_~x~0.offset 12) (select |#length| main_~x~0.base)) (<= 0 main_~x~0.offset)), 40398#true, 40399#false] [2018-02-04 03:39:17,097 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:39:17,097 INFO L409 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-02-04 03:39:17,097 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-02-04 03:39:17,098 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2018-02-04 03:39:17,098 INFO L87 Difference]: Start difference. First operand 518 states and 605 transitions. Second operand 12 states. [2018-02-04 03:39:17,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:39:17,704 INFO L93 Difference]: Finished difference Result 635 states and 705 transitions. [2018-02-04 03:39:17,704 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-02-04 03:39:17,704 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 69 [2018-02-04 03:39:17,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:39:17,705 INFO L225 Difference]: With dead ends: 635 [2018-02-04 03:39:17,705 INFO L226 Difference]: Without dead ends: 635 [2018-02-04 03:39:17,706 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 344 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=411, Invalid=1229, Unknown=0, NotChecked=0, Total=1640 [2018-02-04 03:39:17,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 635 states. [2018-02-04 03:39:17,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 635 to 525. [2018-02-04 03:39:17,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 525 states. [2018-02-04 03:39:17,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 614 transitions. [2018-02-04 03:39:17,709 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 614 transitions. Word has length 69 [2018-02-04 03:39:17,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:39:17,709 INFO L432 AbstractCegarLoop]: Abstraction has 525 states and 614 transitions. [2018-02-04 03:39:17,709 INFO L433 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-02-04 03:39:17,709 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 614 transitions. [2018-02-04 03:39:17,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-02-04 03:39:17,709 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:39:17,709 INFO L351 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:39:17,709 INFO L371 AbstractCegarLoop]: === Iteration 59 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:39:17,709 INFO L82 PathProgramCache]: Analyzing trace with hash -1238565622, now seen corresponding path program 1 times [2018-02-04 03:39:17,710 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:39:17,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:39:17,715 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:39:17,769 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:39:17,769 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:39:17,770 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2018-02-04 03:39:17,770 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:39:17,770 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 03:39:17,770 INFO L182 omatonBuilderFactory]: Interpolants [41632#(not (= 0 main_~x~0.base)), 41633#(not (= 0 main_~prev~0.base)), 41634#(not (= 0 (select (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 4) main_~next~0.base) main_~x~0.offset))), 41635#(not (= 0 (select (select |#memory_$Pointer$.base| main_~prev~0.base) main_~prev~0.offset))), 41636#(not (= 0 |main_#t~mem35.base|)), 41628#true, 41629#false, 41630#(not (= 0 |main_#t~malloc0.base|)), 41631#(not (= 0 main_~head~0.base))] [2018-02-04 03:39:17,770 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:39:17,770 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-02-04 03:39:17,770 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-02-04 03:39:17,770 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-02-04 03:39:17,770 INFO L87 Difference]: Start difference. First operand 525 states and 614 transitions. Second operand 9 states. [2018-02-04 03:39:18,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:39:18,056 INFO L93 Difference]: Finished difference Result 628 states and 698 transitions. [2018-02-04 03:39:18,056 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-02-04 03:39:18,056 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 71 [2018-02-04 03:39:18,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:39:18,057 INFO L225 Difference]: With dead ends: 628 [2018-02-04 03:39:18,057 INFO L226 Difference]: Without dead ends: 628 [2018-02-04 03:39:18,057 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=86, Invalid=294, Unknown=0, NotChecked=0, Total=380 [2018-02-04 03:39:18,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 628 states. [2018-02-04 03:39:18,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 628 to 525. [2018-02-04 03:39:18,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 525 states. [2018-02-04 03:39:18,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 613 transitions. [2018-02-04 03:39:18,061 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 613 transitions. Word has length 71 [2018-02-04 03:39:18,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:39:18,061 INFO L432 AbstractCegarLoop]: Abstraction has 525 states and 613 transitions. [2018-02-04 03:39:18,061 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-02-04 03:39:18,061 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 613 transitions. [2018-02-04 03:39:18,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-02-04 03:39:18,061 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:39:18,061 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-02-04 03:39:18,061 INFO L371 AbstractCegarLoop]: === Iteration 60 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:39:18,062 INFO L82 PathProgramCache]: Analyzing trace with hash -864207644, now seen corresponding path program 4 times [2018-02-04 03:39:18,062 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:39:18,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:39:18,074 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:39:18,682 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:39:18,682 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:39:18,682 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-02-04 03:39:18,682 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:39:18,682 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 03:39:18,682 INFO L182 omatonBuilderFactory]: Interpolants [42816#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 42817#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= (select |#valid| main_~x~0.base) 1)), 42818#(and (= main_~x~0.offset main_~head~0.offset) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= (select |#valid| main_~x~0.base) 1)), 42819#(and (= 0 |main_#t~mem9.offset|) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.offset|) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~head~0.base) 1)), 42820#(and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= main_~x~0.offset 0) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)))), 42821#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset 0) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base)), 42822#(and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset 0) (= 1 (select |#valid| |main_#t~malloc5.base|)) (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset) main_~x~0.base)), 42823#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base)), 42824#(and (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (= main_~x~0.offset 0) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem7.base|)) (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset) main_~x~0.base)), 42825#(and (<= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (not (= main_~head~0.base |main_#t~mem9.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 42826#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (<= (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset) 0) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)))), 42827#(and (<= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 42828#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (<= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 42829#(and (= |main_#t~mem25.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem25.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (<= (+ |main_#t~mem25.offset| 8) 0)) (not (= |main_#t~mem25.base| main_~head~0.base)) (= |main_#t~mem25.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 42830#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (or (<= (+ (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 8) 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 42831#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (or (<= (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 8) 0) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset main_~prev~0.base)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 42832#(and (or (<= (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 8) 0) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset main_~prev~0.base)) |main_#t~mem27.base|) |main_#t~mem27.offset|)))) (not (= main_~x~0.base |main_#t~mem27.base|)) (= |main_#t~mem27.offset| (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 42833#(and (= main_~next~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (or (<= (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 8) 0) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset main_~prev~0.base)) main_~next~0.base) main_~next~0.offset)))) (not (= main_~x~0.base main_~next~0.base))), 42834#(or (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 4) main_~next~0.base)) main_~next~0.base) main_~next~0.offset))) (<= (+ main_~next~0.offset 8) 0)), 42835#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~next~0.base) main_~next~0.offset))) (<= (+ main_~next~0.offset 8) 0)), 42836#(or (<= (+ main_~x~0.offset 8) 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 42837#(= 1 (select |#valid| |main_#t~mem27.base|)), 42838#(= 1 (select |#valid| main_~next~0.base)), 42839#(= 1 (select |#valid| main_~x~0.base)), 42812#true, 42813#false, 42814#(= 1 (select |#valid| main_~head~0.base)), 42815#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1))] [2018-02-04 03:39:18,683 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:39:18,683 INFO L409 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-02-04 03:39:18,683 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-02-04 03:39:18,683 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=674, Unknown=0, NotChecked=0, Total=756 [2018-02-04 03:39:18,683 INFO L87 Difference]: Start difference. First operand 525 states and 613 transitions. Second operand 28 states. [2018-02-04 03:39:20,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:39:20,703 INFO L93 Difference]: Finished difference Result 766 states and 884 transitions. [2018-02-04 03:39:20,703 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-02-04 03:39:20,703 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 71 [2018-02-04 03:39:20,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:39:20,704 INFO L225 Difference]: With dead ends: 766 [2018-02-04 03:39:20,704 INFO L226 Difference]: Without dead ends: 766 [2018-02-04 03:39:20,705 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 2 SyntacticMatches, 6 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 701 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=430, Invalid=2876, Unknown=0, NotChecked=0, Total=3306 [2018-02-04 03:39:20,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 766 states. [2018-02-04 03:39:20,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 766 to 543. [2018-02-04 03:39:20,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 543 states. [2018-02-04 03:39:20,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 634 transitions. [2018-02-04 03:39:20,708 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 634 transitions. Word has length 71 [2018-02-04 03:39:20,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:39:20,708 INFO L432 AbstractCegarLoop]: Abstraction has 543 states and 634 transitions. [2018-02-04 03:39:20,708 INFO L433 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-02-04 03:39:20,709 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 634 transitions. [2018-02-04 03:39:20,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-02-04 03:39:20,709 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:39:20,709 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-02-04 03:39:20,709 INFO L371 AbstractCegarLoop]: === Iteration 61 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:39:20,709 INFO L82 PathProgramCache]: Analyzing trace with hash -864207643, now seen corresponding path program 3 times [2018-02-04 03:39:20,710 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:39:20,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:39:20,723 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:39:21,462 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:39:21,463 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:39:21,463 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-02-04 03:39:21,463 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:39:21,463 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 03:39:21,463 INFO L182 omatonBuilderFactory]: Interpolants [44224#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 44225#(and (= main_~x~0.offset main_~head~0.offset) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 44226#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem25.base|) 0)) (= |main_#t~mem25.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem25.base|) 0))) (not (= (+ |main_#t~mem25.offset| 8) 0)) (not (= |main_#t~mem25.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 44227#(and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset main_~prev~0.offset)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset main_~prev~0.base)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 44228#(and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset main_~prev~0.offset)) |main_#t~mem27.base|) 0)) (not (= main_~x~0.base |main_#t~mem27.base|)) (= |main_#t~mem27.offset| (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset main_~prev~0.base)) |main_#t~mem27.base|) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 44229#(and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset main_~prev~0.offset)) main_~next~0.base) 0)) (= main_~next~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset main_~prev~0.base)) main_~next~0.base) 0))) (not (= main_~x~0.base main_~next~0.base))), 44230#(and (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 4) main_~next~0.base)) main_~next~0.base) 0))) (= 0 main_~next~0.offset) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 4) main_~next~0.offset)) main_~next~0.base) 0))), 44231#(and (= 0 main_~next~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~next~0.base) 0)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~next~0.base) 0)))), 44232#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 main_~x~0.offset)), 44233#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 44234#(and (= 0 |main_#t~mem27.offset|) (= 12 (select |#length| |main_#t~mem27.base|))), 44235#(and (= 12 (select |#length| main_~next~0.base)) (= 0 main_~next~0.offset)), 44236#(and (= (select |#length| main_~x~0.base) 12) (= 0 main_~x~0.offset)), 44209#true, 44210#false, 44211#(= 1 (select |#valid| main_~head~0.base)), 44212#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 44213#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 44214#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= (select |#valid| main_~x~0.base) 1)), 44215#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= (select |#valid| main_~x~0.base) 1) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~head~0.offset)))), 44216#(and (= 0 |main_#t~mem9.offset|) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~head~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 44217#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= main_~x~0.offset 0) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))), 44218#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset 0) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 44219#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (not (= main_~head~0.base main_~x~0.base)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (= main_~x~0.offset 0) (= 12 (select |#length| |main_#t~malloc5.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset))), 44220#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 44221#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base main_~x~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem7.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 44222#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~head~0.base |main_#t~mem9.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 44223#(and (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)))] [2018-02-04 03:39:21,463 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:39:21,463 INFO L409 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-02-04 03:39:21,464 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-02-04 03:39:21,464 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=678, Unknown=0, NotChecked=0, Total=756 [2018-02-04 03:39:21,464 INFO L87 Difference]: Start difference. First operand 543 states and 634 transitions. Second operand 28 states. [2018-02-04 03:39:23,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:39:23,217 INFO L93 Difference]: Finished difference Result 775 states and 894 transitions. [2018-02-04 03:39:23,217 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-02-04 03:39:23,217 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 71 [2018-02-04 03:39:23,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:39:23,218 INFO L225 Difference]: With dead ends: 775 [2018-02-04 03:39:23,218 INFO L226 Difference]: Without dead ends: 775 [2018-02-04 03:39:23,218 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 3 SyntacticMatches, 7 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 544 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=262, Invalid=2188, Unknown=0, NotChecked=0, Total=2450 [2018-02-04 03:39:23,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 775 states. [2018-02-04 03:39:23,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 775 to 546. [2018-02-04 03:39:23,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 546 states. [2018-02-04 03:39:23,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 636 transitions. [2018-02-04 03:39:23,222 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 636 transitions. Word has length 71 [2018-02-04 03:39:23,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:39:23,222 INFO L432 AbstractCegarLoop]: Abstraction has 546 states and 636 transitions. [2018-02-04 03:39:23,222 INFO L433 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-02-04 03:39:23,222 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 636 transitions. [2018-02-04 03:39:23,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-02-04 03:39:23,222 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:39:23,222 INFO L351 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:39:23,222 INFO L371 AbstractCegarLoop]: === Iteration 62 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:39:23,222 INFO L82 PathProgramCache]: Analyzing trace with hash -1897291561, now seen corresponding path program 2 times [2018-02-04 03:39:23,223 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:39:23,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:39:23,232 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:39:23,719 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:39:23,719 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:39:23,719 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-02-04 03:39:23,719 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:39:23,720 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 03:39:23,720 INFO L182 omatonBuilderFactory]: Interpolants [45602#true, 45603#false, 45604#(= (select |#valid| 0) 0), 45605#(and (= 1 (select |#valid| main_~head~0.base)) (= (select |#valid| 0) 0)), 45606#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= (select |#valid| 0) 0) (= main_~x~0.base main_~head~0.base)), 45607#(or (and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= (select |#valid| 0) 0) (not (= 0 |main_#t~malloc5.base|)) (= main_~x~0.base main_~head~0.base)) (= 1 (select |#valid| 0))), 45608#(or (= 1 (select |#valid| 0)) (and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= (select |#valid| 0) 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1))), 45609#(or (and (not (= 0 (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (= (select |#valid| 0) 0) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~head~0.offset)))) (= 1 (select |#valid| 0))), 45610#(or (and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= (select |#valid| 0) 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| 0))), 45611#(or (and (= 1 (select |#valid| main_~head~0.base)) (= (select |#valid| 0) 0) (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| 0))), 45612#(or (and (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= (select |#valid| 0) 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))) (= 1 (select |#valid| 0))), 45613#(or (and (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base |main_#t~malloc5.base|))) (= 1 (select |#valid| 0))), 45614#(or (= 1 (select |#valid| 0)) (and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))))), 45615#(or (= 1 (select |#valid| 0)) (and (not (= 0 (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem7.base|)))), 45616#(or (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))) (= 1 (select |#valid| 0))), 45617#(or (and (not (= main_~head~0.base |main_#t~mem9.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| 0))), 45618#(or (= 1 (select |#valid| 0)) (and (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))))), 45619#(or (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| 0))), 45620#(or (= 1 (select |#valid| 0)) (and (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base))), 45621#(or (= 1 (select |#valid| 0)) (and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (not (= 0 |main_#t~mem12.base|)) (= main_~x~0.base main_~head~0.base) (= |main_#t~mem12.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 45622#(or (and (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem25.base| main_~head~0.base))) (= 1 (select |#valid| 0))), 45623#(or (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| 0))), 45624#(and (= 0 main_~prev~0.base) (or (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| 0)))), 45625#(and (= 0 main_~prev~0.base) (or (not (= 0 |main_#t~mem27.base|)) (= 1 (select |#valid| 0)))), 45626#(and (= 0 main_~prev~0.base) (or (not (= 0 main_~next~0.base)) (= 1 (select |#valid| 0)))), 45627#(and (or (not (= 0 main_~next~0.base)) (= 1 (select |#valid| 0))) (= 0 (select (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 4) main_~next~0.base) main_~x~0.offset))), 45628#(and (or (not (= 0 main_~x~0.base)) (= 1 (select |#valid| 0))) (= 0 (select (select |#memory_$Pointer$.base| main_~prev~0.base) main_~prev~0.offset))), 45629#(and (= 1 (select |#valid| 0)) (= 0 (select (select |#memory_$Pointer$.base| main_~prev~0.base) main_~prev~0.offset))), 45630#(and (= 1 (select |#valid| 0)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 45631#(= 1 (select |#valid| |main_#t~mem31.base|))] [2018-02-04 03:39:23,720 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:39:23,720 INFO L409 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-02-04 03:39:23,720 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-02-04 03:39:23,720 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=733, Unknown=0, NotChecked=0, Total=870 [2018-02-04 03:39:23,720 INFO L87 Difference]: Start difference. First operand 546 states and 636 transitions. Second operand 30 states. [2018-02-04 03:39:25,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:39:25,057 INFO L93 Difference]: Finished difference Result 579 states and 664 transitions. [2018-02-04 03:39:25,057 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-02-04 03:39:25,057 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 71 [2018-02-04 03:39:25,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:39:25,058 INFO L225 Difference]: With dead ends: 579 [2018-02-04 03:39:25,059 INFO L226 Difference]: Without dead ends: 579 [2018-02-04 03:39:25,059 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 4 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 514 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=378, Invalid=1974, Unknown=0, NotChecked=0, Total=2352 [2018-02-04 03:39:25,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 579 states. [2018-02-04 03:39:25,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 579 to 546. [2018-02-04 03:39:25,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 546 states. [2018-02-04 03:39:25,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 634 transitions. [2018-02-04 03:39:25,061 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 634 transitions. Word has length 71 [2018-02-04 03:39:25,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:39:25,062 INFO L432 AbstractCegarLoop]: Abstraction has 546 states and 634 transitions. [2018-02-04 03:39:25,062 INFO L433 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-02-04 03:39:25,062 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 634 transitions. [2018-02-04 03:39:25,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-02-04 03:39:25,062 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:39:25,062 INFO L351 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:39:25,062 INFO L371 AbstractCegarLoop]: === Iteration 63 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:39:25,062 INFO L82 PathProgramCache]: Analyzing trace with hash 1578585059, now seen corresponding path program 6 times [2018-02-04 03:39:25,063 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:39:25,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:39:25,072 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:39:25,738 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 20 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:39:25,739 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:39:25,739 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-02-04 03:39:25,739 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:39:25,739 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 03:39:25,739 INFO L182 omatonBuilderFactory]: Interpolants [46795#true, 46796#false, 46797#(and (= |main_#t~malloc0.offset| 0) (= 12 (select |#length| |main_#t~malloc0.base|))), 46798#(and (= 12 (select |#length| main_~head~0.base)) (= main_~head~0.offset 0)), 46799#(and (= 12 (select |#length| main_~head~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 46800#(and (= 12 (select |#length| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 46801#(and (= 12 (select |#length| main_~x~0.base)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= |main_#t~malloc5.offset| 0) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 46802#(and (= 12 (select |#length| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 46803#(and (= 12 (select |#length| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 46804#(and (= 12 (select |#length| main_~head~0.base)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|) (not (= main_~head~0.base |main_#t~mem9.base|)) (= |main_#t~mem9.offset| 0) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 46805#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~head~0.base)) (= main_~x~0.offset 0) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))), 46806#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~head~0.base)) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset 0) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 46807#(and (= 12 (select |#length| main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= |main_#t~malloc5.offset| 0) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (= main_~x~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset 0)), 46808#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~head~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 46809#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~head~0.base)) (= main_~x~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem7.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset 0)), 46810#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~head~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 46811#(and (= 0 |main_#t~mem9.offset|) (= 12 (select |#length| main_~head~0.base)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) 0) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem9.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))), 46812#(and (or (and (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base))) (or (and (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0))) (and (= main_~x~0.base main_~head~0.base) (= (select |#length| main_~x~0.base) 12))) (= main_~x~0.offset 0)), 46813#(and (= main_~x~0.offset 0) (or (and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (and (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= (select |#length| main_~x~0.base) 12))) (or (and (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 46814#(and (or (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 46815#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (or (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 46816#(and (or (= 0 |main_#t~mem15.base|) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) 0))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) 0))))) (= 0 |main_#t~mem15.offset|)), 46817#(and (or (= 0 main_~x~0.base) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (= main_~x~0.offset 0)), 46818#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 46819#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))), 46820#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 46821#(and (= |main_#t~mem12.offset| 0) (= 0 |main_#t~mem12.base|)), 46822#(not |main_#t~short14|)] [2018-02-04 03:39:25,739 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 20 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:39:25,739 INFO L409 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-02-04 03:39:25,740 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-02-04 03:39:25,740 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=669, Unknown=0, NotChecked=0, Total=756 [2018-02-04 03:39:25,740 INFO L87 Difference]: Start difference. First operand 546 states and 634 transitions. Second operand 28 states. [2018-02-04 03:39:27,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:39:27,794 INFO L93 Difference]: Finished difference Result 591 states and 677 transitions. [2018-02-04 03:39:27,794 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-02-04 03:39:27,794 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 71 [2018-02-04 03:39:27,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:39:27,795 INFO L225 Difference]: With dead ends: 591 [2018-02-04 03:39:27,795 INFO L226 Difference]: Without dead ends: 591 [2018-02-04 03:39:27,796 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1013 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=587, Invalid=3703, Unknown=0, NotChecked=0, Total=4290 [2018-02-04 03:39:27,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 591 states. [2018-02-04 03:39:27,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 591 to 555. [2018-02-04 03:39:27,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 555 states. [2018-02-04 03:39:27,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 643 transitions. [2018-02-04 03:39:27,799 INFO L78 Accepts]: Start accepts. Automaton has 555 states and 643 transitions. Word has length 71 [2018-02-04 03:39:27,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:39:27,799 INFO L432 AbstractCegarLoop]: Abstraction has 555 states and 643 transitions. [2018-02-04 03:39:27,799 INFO L433 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-02-04 03:39:27,799 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 643 transitions. [2018-02-04 03:39:27,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-02-04 03:39:27,799 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:39:27,799 INFO L351 BasicCegarLoop]: trace histogram [3, 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] [2018-02-04 03:39:27,799 INFO L371 AbstractCegarLoop]: === Iteration 64 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:39:27,800 INFO L82 PathProgramCache]: Analyzing trace with hash 264863644, now seen corresponding path program 1 times [2018-02-04 03:39:27,800 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:39:27,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:39:27,808 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:39:28,272 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:39:28,272 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:39:28,272 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-02-04 03:39:28,273 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:39:28,273 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 03:39:28,273 INFO L182 omatonBuilderFactory]: Interpolants [48064#(and (= 2 (select (select |#memory_int| main_~x~0.base) (+ 0 8))) (= (select |#length| main_~x~0.base) 12)), 48065#(and (or (<= (select |#length| main_~prev~0.base) 11) (= 2 (select (select |#memory_int| main_~prev~0.base) (+ (+ (select |#length| main_~prev~0.base) (- 12)) 8)))) (<= (select |#length| main_~prev~0.base) 12)), 48066#(or (= 2 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8))) (<= (+ main_~x~0.offset 1) 0) (<= (select |#length| main_~x~0.base) (+ main_~x~0.offset 11))), 48067#(or (<= (+ main_~x~0.offset 1) 0) (= 2 |main_#t~mem30|)), 48068#(or (<= (+ main_~x~0.offset 1) 0) (= main_~t1~0 2)), 48069#(<= (+ main_~x~0.offset 1) 0), 48045#true, 48046#false, 48047#(= 0 |main_#t~malloc0.offset|), 48048#(= main_~head~0.offset 0), 48049#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 48050#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 48051#(and (= 12 (select |#length| |main_#t~malloc18.base|)) (= 0 |main_#t~malloc18.offset|) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc18.base|)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 48052#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.offset main_~head~0.offset) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset 0)), 48053#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.offset main_~head~0.offset) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem20.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~x~0.offset)) main_~x~0.base) main_~head~0.offset)) (= main_~head~0.offset 0) (not (= main_~x~0.base |main_#t~mem20.base|))), 48054#(and (not (= main_~head~0.base |main_#t~mem22.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem22.base|) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset 0) (= 0 |main_#t~mem22.offset|) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 48055#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset main_~x~0.offset) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)))), 48056#(and (= 2 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 48057#(and (= 2 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 8))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 48058#(and (= 2 (select (select |#memory_int| |main_#t~mem27.base|) (+ 0 8))) (not (= main_~x~0.base |main_#t~mem27.base|)) (= |main_#t~mem27.offset| (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 12 (select |#length| |main_#t~mem27.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 48059#(and (= 12 (select |#length| main_~next~0.base)) (= main_~next~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 2 (select (select |#memory_int| main_~next~0.base) (+ 0 8))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base main_~next~0.base))), 48060#(and (= 12 (select |#length| main_~next~0.base)) (= 0 main_~next~0.offset) (= 2 (select (select |#memory_int| main_~next~0.base) (+ 0 8))) (not (= main_~x~0.base main_~next~0.base))), 48061#(and (= 12 (select |#length| main_~next~0.base)) (= 0 main_~next~0.offset) (= 2 (select (select |#memory_int| main_~next~0.base) (+ 0 8)))), 48062#(and (not (= main_~x~0.offset 8)) (not (= main_~x~0.offset 4)) (= 2 (select (select |#memory_int| main_~x~0.base) (+ 0 8))) (= (select |#length| main_~x~0.base) 12)), 48063#(and (not (= main_~x~0.offset 4)) (= 2 (select (select |#memory_int| main_~x~0.base) (+ 0 8))) (= (select |#length| main_~x~0.base) 12))] [2018-02-04 03:39:28,273 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:39:28,273 INFO L409 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-02-04 03:39:28,273 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-02-04 03:39:28,274 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=531, Unknown=0, NotChecked=0, Total=600 [2018-02-04 03:39:28,274 INFO L87 Difference]: Start difference. First operand 555 states and 643 transitions. Second operand 25 states. [2018-02-04 03:39:29,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:39:29,312 INFO L93 Difference]: Finished difference Result 688 states and 784 transitions. [2018-02-04 03:39:29,312 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-02-04 03:39:29,312 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 72 [2018-02-04 03:39:29,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:39:29,313 INFO L225 Difference]: With dead ends: 688 [2018-02-04 03:39:29,313 INFO L226 Difference]: Without dead ends: 682 [2018-02-04 03:39:29,313 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 579 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=340, Invalid=2312, Unknown=0, NotChecked=0, Total=2652 [2018-02-04 03:39:29,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2018-02-04 03:39:29,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 578. [2018-02-04 03:39:29,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 578 states. [2018-02-04 03:39:29,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 578 states and 666 transitions. [2018-02-04 03:39:29,317 INFO L78 Accepts]: Start accepts. Automaton has 578 states and 666 transitions. Word has length 72 [2018-02-04 03:39:29,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:39:29,317 INFO L432 AbstractCegarLoop]: Abstraction has 578 states and 666 transitions. [2018-02-04 03:39:29,317 INFO L433 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-02-04 03:39:29,317 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 666 transitions. [2018-02-04 03:39:29,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-02-04 03:39:29,318 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:39:29,318 INFO L351 BasicCegarLoop]: trace histogram [3, 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 03:39:29,318 INFO L371 AbstractCegarLoop]: === Iteration 65 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:39:29,318 INFO L82 PathProgramCache]: Analyzing trace with hash -797025946, now seen corresponding path program 1 times [2018-02-04 03:39:29,318 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:39:29,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:39:29,324 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:39:29,623 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:39:29,623 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:39:29,623 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-02-04 03:39:29,624 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:39:29,624 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 03:39:29,624 INFO L182 omatonBuilderFactory]: Interpolants [49408#(and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem34.base|) |main_#t~mem34.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem34.base|) |main_#t~mem34.offset|))), 49409#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 49410#(and (= 0 |main_#t~mem35.offset|) (= 0 |main_#t~mem35.base|)), 49411#(and (= 0 main_~x~0.base) (= 0 main_~x~0.offset)), 49390#true, 49391#false, 49392#(= 1 (select |#valid| main_~head~0.base)), 49393#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 49394#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc18.base|)) (= main_~x~0.base main_~head~0.base)), 49395#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base)), 49396#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem20.base|))), 49397#(and (not (= main_~head~0.base |main_#t~mem22.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 49398#(and (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)))), 49399#(not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 49400#(and (= 0 main_~prev~0.offset) (= 0 main_~prev~0.base) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 49401#(and (= 0 main_~prev~0.offset) (= 0 main_~prev~0.base) (not (= main_~x~0.base |main_#t~mem27.base|))), 49402#(and (= 0 main_~prev~0.offset) (= 0 main_~prev~0.base) (not (= main_~x~0.base main_~next~0.base))), 49403#(and (= 0 (select (store (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 4) main_~next~0.offset) main_~x~0.offset)) (= 0 (select (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 4) main_~next~0.base) main_~x~0.offset)) (not (= main_~x~0.base main_~next~0.base))), 49404#(and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset main_~prev~0.offset)) main_~prev~0.base) main_~prev~0.offset)) (= 0 (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset main_~prev~0.base)) main_~prev~0.base) main_~prev~0.offset)) (not (= main_~x~0.base main_~prev~0.base))), 49405#(and (= 0 (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 4) main_~next~0.base)) (select (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 4) main_~next~0.base) main_~x~0.offset)) (select (store (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 4) main_~next~0.offset) main_~x~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 4) main_~next~0.offset)) (select (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 4) main_~next~0.base) main_~x~0.offset)) (select (store (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 4) main_~next~0.offset) main_~x~0.offset)))), 49406#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 49407#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~prev~0.base) main_~prev~0.offset)) (select (select |#memory_$Pointer$.offset| main_~prev~0.base) main_~prev~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~prev~0.base) main_~prev~0.offset)) (select (select |#memory_$Pointer$.offset| main_~prev~0.base) main_~prev~0.offset))))] [2018-02-04 03:39:29,624 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:39:29,624 INFO L409 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-02-04 03:39:29,624 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-02-04 03:39:29,624 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=414, Unknown=0, NotChecked=0, Total=462 [2018-02-04 03:39:29,624 INFO L87 Difference]: Start difference. First operand 578 states and 666 transitions. Second operand 22 states. [2018-02-04 03:39:30,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:39:30,476 INFO L93 Difference]: Finished difference Result 662 states and 759 transitions. [2018-02-04 03:39:30,476 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-02-04 03:39:30,476 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 73 [2018-02-04 03:39:30,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:39:30,478 INFO L225 Difference]: With dead ends: 662 [2018-02-04 03:39:30,478 INFO L226 Difference]: Without dead ends: 662 [2018-02-04 03:39:30,478 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 4 SyntacticMatches, 4 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 272 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=182, Invalid=1624, Unknown=0, NotChecked=0, Total=1806 [2018-02-04 03:39:30,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states. [2018-02-04 03:39:30,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 592. [2018-02-04 03:39:30,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states. [2018-02-04 03:39:30,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 681 transitions. [2018-02-04 03:39:30,481 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 681 transitions. Word has length 73 [2018-02-04 03:39:30,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:39:30,481 INFO L432 AbstractCegarLoop]: Abstraction has 592 states and 681 transitions. [2018-02-04 03:39:30,481 INFO L433 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-02-04 03:39:30,481 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 681 transitions. [2018-02-04 03:39:30,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-02-04 03:39:30,482 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:39:30,482 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:39:30,482 INFO L371 AbstractCegarLoop]: === Iteration 66 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:39:30,482 INFO L82 PathProgramCache]: Analyzing trace with hash -792451006, now seen corresponding path program 7 times [2018-02-04 03:39:30,482 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:39:30,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:39:30,493 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:39:31,218 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:39:31,219 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:39:31,219 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-02-04 03:39:31,219 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:39:31,219 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 03:39:31,219 INFO L182 omatonBuilderFactory]: Interpolants [50708#true, 50709#false, 50710#(= |main_#t~malloc0.offset| 0), 50711#(= main_~head~0.offset 0), 50712#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 50713#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 50714#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= |main_#t~malloc5.offset| 0) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 50715#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 50716#(and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 50717#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|) (not (= main_~head~0.base |main_#t~mem9.base|)) (= |main_#t~mem9.offset| 0) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 50718#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= main_~x~0.offset 0) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))), 50719#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset 0) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 50720#(and (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (= main_~x~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset 0)), 50721#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~x~0.base) 1)), 50722#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset 0) (not (= main_~x~0.base |main_#t~mem7.base|)) (= (select |#valid| main_~x~0.base) 1)), 50723#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 1) (not (= main_~head~0.base |main_#t~mem9.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem9.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))), 50724#(and (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 1) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))), 50725#(and (= 1 (select |#valid| main_~x~0.base)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 1) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 50726#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc5.base|)) (= main_~head~0.offset |main_#t~malloc5.offset|) (not (= main_~x~0.base |main_#t~malloc5.base|)) (not (= main_~head~0.base main_~x~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) 0))), 50727#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~x~0.base) 1)), 50728#(and (or (and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) 0))) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base |main_#t~mem7.base|))), 50729#(or (and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base))), 50730#(or (and (= main_~head~0.offset |main_#t~mem9.offset|) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= main_~head~0.offset |main_#t~mem9.offset|) (= main_~head~0.base |main_#t~mem9.base|))), 50731#(or (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)) (and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)))), 50732#(or (and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 50733#(or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 50734#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 50735#(or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (and (= |main_#t~mem12.offset| 0) (= 0 |main_#t~mem12.base|))), 50736#(or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (not |main_#t~short14|)), 50737#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 50738#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0))) (= 0 |main_#t~mem15.offset|)), 50739#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset 0)), 50740#(= 1 (select |#valid| |main_#t~mem15.base|)), 50741#(= 1 (select |#valid| main_~x~0.base))] [2018-02-04 03:39:31,219 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:39:31,220 INFO L409 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-02-04 03:39:31,220 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-02-04 03:39:31,220 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=1009, Unknown=0, NotChecked=0, Total=1122 [2018-02-04 03:39:31,220 INFO L87 Difference]: Start difference. First operand 592 states and 681 transitions. Second operand 34 states. [2018-02-04 03:39:33,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:39:33,949 INFO L93 Difference]: Finished difference Result 684 states and 768 transitions. [2018-02-04 03:39:33,949 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2018-02-04 03:39:33,950 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 73 [2018-02-04 03:39:33,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:39:33,951 INFO L225 Difference]: With dead ends: 684 [2018-02-04 03:39:33,951 INFO L226 Difference]: Without dead ends: 684 [2018-02-04 03:39:33,951 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1926 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=1046, Invalid=6094, Unknown=0, NotChecked=0, Total=7140 [2018-02-04 03:39:33,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 684 states. [2018-02-04 03:39:33,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 684 to 588. [2018-02-04 03:39:33,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 588 states. [2018-02-04 03:39:33,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 677 transitions. [2018-02-04 03:39:33,955 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 677 transitions. Word has length 73 [2018-02-04 03:39:33,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:39:33,955 INFO L432 AbstractCegarLoop]: Abstraction has 588 states and 677 transitions. [2018-02-04 03:39:33,955 INFO L433 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-02-04 03:39:33,955 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 677 transitions. [2018-02-04 03:39:33,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-02-04 03:39:33,955 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:39:33,955 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:39:33,955 INFO L371 AbstractCegarLoop]: === Iteration 67 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:39:33,955 INFO L82 PathProgramCache]: Analyzing trace with hash -792451005, now seen corresponding path program 5 times [2018-02-04 03:39:33,956 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:39:33,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:39:33,966 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:39:34,988 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:39:34,989 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:39:34,989 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2018-02-04 03:39:34,989 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:39:34,989 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 03:39:34,989 INFO L182 omatonBuilderFactory]: Interpolants [52116#true, 52117#false, 52118#(= |main_#t~malloc0.offset| 0), 52119#(= main_~head~0.offset 0), 52120#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 52121#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 52122#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 52123#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 52124#(and (= main_~x~0.offset main_~head~0.offset) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 52125#(and (= |main_#t~mem9.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|) (not (= main_~head~0.base |main_#t~mem9.base|)) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 52126#(and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 52127#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 52128#(and (= 0 |main_#t~malloc5.offset|) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| |main_#t~malloc5.base|)) (= main_~head~0.offset 0)), 52129#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 52130#(and (= 12 (select |#length| |main_#t~mem7.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem7.base|)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 52131#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| |main_#t~mem9.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 1) (not (= main_~head~0.base |main_#t~mem9.base|)) (= |main_#t~mem9.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|)) (= main_~head~0.offset 0)), 52132#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| main_~x~0.base)) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 1) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 52133#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~x~0.base)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 1) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset 0)), 52134#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc5.base|)) (= 12 (select |#length| main_~x~0.base)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset |main_#t~malloc5.offset|) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset)))), 52135#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 52136#(and (or (and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| main_~x~0.base)) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset)))) (and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base))) (not (= main_~x~0.base |main_#t~mem7.base|))), 52137#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| main_~x~0.base)) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base))), 52138#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= main_~head~0.offset |main_#t~mem9.offset|) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|))) (and (= main_~head~0.offset |main_#t~mem9.offset|) (= main_~head~0.base |main_#t~mem9.base|))), 52139#(or (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)) (and (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)))))), 52140#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 52141#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (and (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 52142#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 52143#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (and (= |main_#t~mem12.offset| 0) (= 0 |main_#t~mem12.base|))), 52144#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (not |main_#t~short14|)), 52145#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 52146#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)))), 52147#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 52148#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= |main_#t~mem12.offset| 0) (= |main_#t~mem12.offset| (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 52149#(and (= 12 (select |#length| |main_#t~mem15.base|)) (= 0 |main_#t~mem15.offset|)), 52150#(and (= main_~x~0.offset 0) (= (select |#length| main_~x~0.base) 12))] [2018-02-04 03:39:34,989 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:39:34,990 INFO L409 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-02-04 03:39:34,990 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-02-04 03:39:34,990 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1073, Unknown=0, NotChecked=0, Total=1190 [2018-02-04 03:39:34,990 INFO L87 Difference]: Start difference. First operand 588 states and 677 transitions. Second operand 35 states. [2018-02-04 03:39:38,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:39:38,074 INFO L93 Difference]: Finished difference Result 707 states and 793 transitions. [2018-02-04 03:39:38,074 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2018-02-04 03:39:38,074 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 73 [2018-02-04 03:39:38,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:39:38,075 INFO L225 Difference]: With dead ends: 707 [2018-02-04 03:39:38,075 INFO L226 Difference]: Without dead ends: 707 [2018-02-04 03:39:38,076 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1667 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=807, Invalid=5835, Unknown=0, NotChecked=0, Total=6642 [2018-02-04 03:39:38,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states. [2018-02-04 03:39:38,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 602. [2018-02-04 03:39:38,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 602 states. [2018-02-04 03:39:38,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 693 transitions. [2018-02-04 03:39:38,082 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 693 transitions. Word has length 73 [2018-02-04 03:39:38,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:39:38,082 INFO L432 AbstractCegarLoop]: Abstraction has 602 states and 693 transitions. [2018-02-04 03:39:38,082 INFO L433 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-02-04 03:39:38,082 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 693 transitions. [2018-02-04 03:39:38,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-02-04 03:39:38,083 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:39:38,083 INFO L351 BasicCegarLoop]: trace histogram [3, 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] [2018-02-04 03:39:38,083 INFO L371 AbstractCegarLoop]: === Iteration 68 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:39:38,083 INFO L82 PathProgramCache]: Analyzing trace with hash -1577231997, now seen corresponding path program 2 times [2018-02-04 03:39:38,084 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:39:38,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:39:38,101 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:39:38,504 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 03:39:38,504 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:39:38,504 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-02-04 03:39:38,504 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:39:38,504 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 03:39:38,504 INFO L182 omatonBuilderFactory]: Interpolants [53568#(and (= 12 (select |#length| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (= main_~head~0.offset 0)), 53569#(or (and (or (and (or (<= 1 main_~x~0.offset) (<= (+ main_~x~0.offset 1) 0)) (= (select |#length| main_~x~0.base) 12)) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base))) (not (= 0 main_~head~0.base))) (and (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))))), 53570#(or (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))) (and (<= 1 main_~x~0.offset) (= (select |#length| main_~x~0.base) 12)) (and (= main_~x~0.offset main_~head~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (= main_~x~0.base main_~head~0.base))), 53571#(not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 53572#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 53573#(and (= |main_#t~mem25.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= |main_#t~mem25.base| main_~head~0.base)) (= |main_#t~mem25.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 53574#(<= (+ (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 12) (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 53575#(<= (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 12) (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 53576#(and (= |main_#t~mem27.offset| (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= |main_#t~mem27.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (<= (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 12) (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 53577#(and (= main_~next~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~next~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (<= (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 12) (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 53578#(<= (+ main_~next~0.offset 12) (select |#length| main_~next~0.base)), 53579#(<= (+ main_~x~0.offset 12) (select |#length| main_~x~0.base)), 53580#(and (<= (+ main_~x~0.offset 12) (select |#length| main_~x~0.base)) (<= 0 main_~x~0.offset)), 53581#(and (<= 0 main_~prev~0.offset) (<= (+ main_~prev~0.offset 12) (select |#length| main_~prev~0.base))), 53554#true, 53555#false, 53556#(and (not (= 0 |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|) (= 12 (select |#length| |main_#t~malloc0.base|))), 53557#(and (= 0 main_~head~0.offset) (= 12 (select |#length| main_~head~0.base)) (not (= 0 main_~head~0.base))), 53558#(and (= 0 main_~head~0.offset) (= 12 (select |#length| main_~head~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= 0 main_~head~0.base))), 53559#(and (= 12 (select |#length| main_~x~0.base)) (= main_~head~0.offset main_~x~0.offset) (= main_~x~0.offset 0) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 53560#(and (= 12 (select |#length| main_~x~0.base)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~head~0.offset main_~x~0.offset) (= main_~x~0.offset 0) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 53561#(and (= 12 (select |#length| main_~x~0.base)) (= main_~head~0.offset main_~x~0.offset) (= main_~x~0.offset 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 53562#(and (= 12 (select |#length| main_~x~0.base)) (= main_~head~0.offset main_~x~0.offset) (= main_~x~0.offset 0) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= (select |#valid| main_~x~0.base) 1) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~head~0.offset)))), 53563#(and (= 12 (select |#length| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~head~0.base) 1) (not (= 0 main_~head~0.base)) (= main_~head~0.offset 0)), 53564#(and (= 12 (select |#length| main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1) (not (= 0 main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)))), 53565#(and (= 12 (select |#length| main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (= main_~head~0.offset 0)), 53566#(and (= 12 (select |#length| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset 0)), 53567#(and (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| main_~head~0.base)) (not (= 0 main_~head~0.base)) (= main_~head~0.offset 0))] [2018-02-04 03:39:38,505 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 03:39:38,505 INFO L409 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-02-04 03:39:38,505 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-02-04 03:39:38,505 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=639, Unknown=0, NotChecked=0, Total=756 [2018-02-04 03:39:38,505 INFO L87 Difference]: Start difference. First operand 602 states and 693 transitions. Second operand 28 states. [2018-02-04 03:39:40,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:39:40,043 INFO L93 Difference]: Finished difference Result 739 states and 834 transitions. [2018-02-04 03:39:40,043 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-02-04 03:39:40,043 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 74 [2018-02-04 03:39:40,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:39:40,045 INFO L225 Difference]: With dead ends: 739 [2018-02-04 03:39:40,045 INFO L226 Difference]: Without dead ends: 739 [2018-02-04 03:39:40,045 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 4 SyntacticMatches, 3 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1266 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=865, Invalid=3557, Unknown=0, NotChecked=0, Total=4422 [2018-02-04 03:39:40,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 739 states. [2018-02-04 03:39:40,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 739 to 590. [2018-02-04 03:39:40,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 590 states. [2018-02-04 03:39:40,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 672 transitions. [2018-02-04 03:39:40,048 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 672 transitions. Word has length 74 [2018-02-04 03:39:40,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:39:40,049 INFO L432 AbstractCegarLoop]: Abstraction has 590 states and 672 transitions. [2018-02-04 03:39:40,049 INFO L433 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-02-04 03:39:40,049 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 672 transitions. [2018-02-04 03:39:40,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-02-04 03:39:40,049 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:39:40,049 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] [2018-02-04 03:39:40,049 INFO L371 AbstractCegarLoop]: === Iteration 69 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:39:40,049 INFO L82 PathProgramCache]: Analyzing trace with hash -587709915, now seen corresponding path program 1 times [2018-02-04 03:39:40,050 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:39:40,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:39:40,062 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:39:40,489 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:39:40,489 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:39:40,489 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-02-04 03:39:40,489 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:39:40,489 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 03:39:40,489 INFO L182 omatonBuilderFactory]: Interpolants [54989#true, 54990#false, 54991#(= 1 (select |#valid| main_~head~0.base)), 54992#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 54993#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 54994#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 54995#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= (select |#valid| main_~x~0.base) 1) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~head~0.offset)))), 54996#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.offset|) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~head~0.base) 1)), 54997#(and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)))), 54998#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base))), 54999#(and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset))), 55000#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 55001#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem7.base|))), 55002#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 55003#(and (not (= main_~head~0.base |main_#t~mem9.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 55004#(and (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)))), 55005#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 55006#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= main_~x~0.base main_~head~0.base)), 55007#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))) (not (= main_~head~0.base |main_#t~mem15.base|)) (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 55008#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 55009#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 55010#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 55011#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 55012#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem25.base| main_~head~0.base))), 55013#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 55014#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 55015#(= 1 (select |#valid| |main_#t~mem27.base|)), 55016#(= 1 (select |#valid| main_~next~0.base)), 55017#(= 1 (select |#valid| main_~x~0.base))] [2018-02-04 03:39:40,490 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:39:40,490 INFO L409 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-02-04 03:39:40,490 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-02-04 03:39:40,490 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=720, Unknown=0, NotChecked=0, Total=812 [2018-02-04 03:39:40,490 INFO L87 Difference]: Start difference. First operand 590 states and 672 transitions. Second operand 29 states. [2018-02-04 03:39:42,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:39:42,146 INFO L93 Difference]: Finished difference Result 710 states and 799 transitions. [2018-02-04 03:39:42,146 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-02-04 03:39:42,146 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 74 [2018-02-04 03:39:42,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:39:42,148 INFO L225 Difference]: With dead ends: 710 [2018-02-04 03:39:42,148 INFO L226 Difference]: Without dead ends: 710 [2018-02-04 03:39:42,148 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 917 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=560, Invalid=3346, Unknown=0, NotChecked=0, Total=3906 [2018-02-04 03:39:42,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 710 states. [2018-02-04 03:39:42,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 710 to 602. [2018-02-04 03:39:42,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 602 states. [2018-02-04 03:39:42,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 686 transitions. [2018-02-04 03:39:42,154 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 686 transitions. Word has length 74 [2018-02-04 03:39:42,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:39:42,154 INFO L432 AbstractCegarLoop]: Abstraction has 602 states and 686 transitions. [2018-02-04 03:39:42,154 INFO L433 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-02-04 03:39:42,154 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 686 transitions. [2018-02-04 03:39:42,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-02-04 03:39:42,155 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:39:42,155 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] [2018-02-04 03:39:42,155 INFO L371 AbstractCegarLoop]: === Iteration 70 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:39:42,155 INFO L82 PathProgramCache]: Analyzing trace with hash -587709914, now seen corresponding path program 1 times [2018-02-04 03:39:42,156 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:39:42,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:39:42,170 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:39:43,158 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:39:43,158 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:39:43,191 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2018-02-04 03:39:43,192 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:39:43,192 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 03:39:43,192 INFO L182 omatonBuilderFactory]: Interpolants [56398#true, 56399#false, 56400#(and (not (= 0 |main_#t~malloc0.base|)) (= |main_#t~malloc0.offset| 0) (= 12 (select |#length| |main_#t~malloc0.base|))), 56401#(and (= 12 (select |#length| main_~head~0.base)) (not (= 0 main_~head~0.base)) (= main_~head~0.offset 0)), 56402#(and (= 12 (select |#length| main_~head~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= 0 main_~head~0.base)) (= main_~head~0.offset 0)), 56403#(and (= 12 (select |#length| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 56404#(and (= 12 (select |#length| main_~x~0.base)) (= main_~head~0.offset |main_#t~malloc5.offset|) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= |main_#t~malloc5.offset| 0) (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 56405#(and (= 12 (select |#length| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= (select |#valid| main_~x~0.base) 1)), 56406#(and (= 12 (select |#length| main_~x~0.base)) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem7.base|)) (= (select |#valid| main_~x~0.base) 1)), 56407#(and (= 12 (select |#length| main_~head~0.base)) (= |main_#t~mem9.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.offset|) (= main_~head~0.offset |main_#t~mem9.offset|) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~head~0.base) 1) (not (= 0 main_~head~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0)), 56408#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~head~0.base)) (= (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset) 0) (= main_~head~0.offset main_~x~0.offset) (= main_~x~0.offset 0) (= (select |#valid| main_~head~0.base) 1) (not (= 0 main_~head~0.base))), 56409#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~head~0.base)) (= 1 (select |#valid| main_~x~0.base)) (= main_~head~0.offset main_~x~0.offset) (= main_~x~0.offset 0) (= (select |#valid| main_~head~0.base) 1) (not (= 0 main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0)), 56410#(and (= (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc5.offset|) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset main_~x~0.offset) (= main_~x~0.offset 0) (not (= 0 main_~head~0.base))), 56411#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~head~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset main_~x~0.offset) (= main_~x~0.offset 0) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 56412#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| main_~head~0.base)) (= main_~head~0.offset main_~x~0.offset) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (= main_~x~0.offset 0) (not (= 0 main_~head~0.base)) (not (= main_~x~0.base |main_#t~mem7.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 56413#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~head~0.base)) (= main_~head~0.offset main_~x~0.offset) (= main_~x~0.offset 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 56414#(and (= 0 |main_#t~mem9.offset|) (= 12 (select |#length| main_~head~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.offset|) (= |main_#t~mem9.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (= main_~head~0.offset 0)), 56415#(or (and (or (not (= main_~x~0.offset 0)) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base))) (= (select |#length| main_~x~0.base) 12)) (and (or (and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (and (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))))) (= main_~x~0.offset 0) (not (= 0 main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))))), 56416#(or (and (= main_~x~0.offset 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (or (and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base))))) (and (or (and (not (= main_~x~0.offset 0)) (<= 0 main_~x~0.offset)) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))) (= (select |#length| main_~x~0.base) 12))), 56417#(or (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (and (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 56418#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= main_~x~0.base main_~head~0.base))), 56419#(or (and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= main_~x~0.base main_~head~0.base)) (and (= |main_#t~mem12.offset| 0) (= 0 |main_#t~mem12.base|))), 56420#(or (and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= main_~x~0.base main_~head~0.base)) (not |main_#t~short14|)), 56421#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= main_~x~0.base main_~head~0.base)), 56422#(and (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem15.offset|) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))) (not (= main_~head~0.base |main_#t~mem15.base|)) (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 56423#(and (or (<= (+ main_~x~0.offset 8) 0) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base))) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base main_~head~0.base))), 56424#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (<= 0 main_~x~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 56425#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (<= (+ main_~x~0.offset 12) (select |#length| main_~x~0.base)) (<= 0 main_~x~0.offset) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 56426#(and (<= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= |main_#t~mem25.base| main_~head~0.base)) (<= (+ (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 12) (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 56427#(and (<= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (<= (+ (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 12) (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 56428#(and (<= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (<= (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 12) (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 56429#(and (= |main_#t~mem27.offset| (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (<= (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 12) (select |#length| |main_#t~mem27.base|)) (<= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 56430#(and (= main_~next~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (<= (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 12) (select |#length| main_~next~0.base)) (<= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 56431#(and (<= 0 main_~next~0.offset) (<= (+ main_~next~0.offset 12) (select |#length| main_~next~0.base))), 56432#(and (<= (+ main_~x~0.offset 12) (select |#length| main_~x~0.base)) (<= 0 main_~x~0.offset))] [2018-02-04 03:39:43,192 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:39:43,192 INFO L409 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-02-04 03:39:43,193 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-02-04 03:39:43,193 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=1071, Unknown=0, NotChecked=0, Total=1190 [2018-02-04 03:39:43,193 INFO L87 Difference]: Start difference. First operand 602 states and 686 transitions. Second operand 35 states. [2018-02-04 03:39:47,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:39:47,583 INFO L93 Difference]: Finished difference Result 719 states and 808 transitions. [2018-02-04 03:39:47,583 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2018-02-04 03:39:47,583 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 74 [2018-02-04 03:39:47,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:39:47,584 INFO L225 Difference]: With dead ends: 719 [2018-02-04 03:39:47,584 INFO L226 Difference]: Without dead ends: 719 [2018-02-04 03:39:47,585 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2479 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=1390, Invalid=7730, Unknown=0, NotChecked=0, Total=9120 [2018-02-04 03:39:47,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 719 states. [2018-02-04 03:39:47,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 719 to 591. [2018-02-04 03:39:47,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 591 states. [2018-02-04 03:39:47,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 673 transitions. [2018-02-04 03:39:47,589 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 673 transitions. Word has length 74 [2018-02-04 03:39:47,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:39:47,589 INFO L432 AbstractCegarLoop]: Abstraction has 591 states and 673 transitions. [2018-02-04 03:39:47,589 INFO L433 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-02-04 03:39:47,589 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 673 transitions. [2018-02-04 03:39:47,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-02-04 03:39:47,590 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:39:47,590 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-02-04 03:39:47,590 INFO L371 AbstractCegarLoop]: === Iteration 71 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:39:47,590 INFO L82 PathProgramCache]: Analyzing trace with hash -63140360, now seen corresponding path program 2 times [2018-02-04 03:39:47,590 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:39:47,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:39:47,607 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:39:48,349 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:39:48,349 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:39:48,383 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-02-04 03:39:48,383 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:39:48,383 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 03:39:48,383 INFO L182 omatonBuilderFactory]: Interpolants [57865#true, 57866#false, 57867#(= |main_#t~malloc0.offset| 0), 57868#(= main_~head~0.offset 0), 57869#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 57870#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 57871#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 57872#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 57873#(and (= main_~x~0.offset main_~head~0.offset) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 57874#(and (= |main_#t~mem9.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|) (not (= main_~head~0.base |main_#t~mem9.base|)) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 57875#(and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 57876#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 57877#(and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset 0)), 57878#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 57879#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem7.base|)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 57880#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 1) (not (= main_~head~0.base |main_#t~mem9.base|)) (= |main_#t~mem9.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|)) (= main_~head~0.offset 0)), 57881#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 1) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 57882#(and (= 1 (select |#valid| main_~x~0.base)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 1) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset 0)), 57883#(or (and (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc5.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|))) (and (= main_~head~0.offset |main_#t~malloc5.offset|) (= |main_#t~malloc5.base| main_~head~0.base) (not (= |main_#t~malloc5.base| main_~x~0.base)))), 57884#(or (and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))) (and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~x~0.base) 1))), 57885#(or (and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem7.base|))) (and (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base |main_#t~mem7.base|)))), 57886#(or (and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base))), 57887#(or (and (not (= main_~head~0.base |main_#t~mem9.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (and (= main_~head~0.offset |main_#t~mem9.offset|) (= main_~head~0.base |main_#t~mem9.base|))), 57888#(or (and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base))), 57889#(or (and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 57890#(or (and (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 57891#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 57892#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (and (= |main_#t~mem12.offset| 0) (= 0 |main_#t~mem12.base|))), 57893#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not |main_#t~short14|)), 57894#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 57895#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))), 57896#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 57897#(= 1 (select |#valid| |main_#t~mem25.base|))] [2018-02-04 03:39:48,384 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:39:48,384 INFO L409 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-02-04 03:39:48,384 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-02-04 03:39:48,384 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=955, Unknown=0, NotChecked=0, Total=1056 [2018-02-04 03:39:48,384 INFO L87 Difference]: Start difference. First operand 591 states and 673 transitions. Second operand 33 states. [2018-02-04 03:39:50,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:39:50,894 INFO L93 Difference]: Finished difference Result 674 states and 751 transitions. [2018-02-04 03:39:50,894 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2018-02-04 03:39:50,894 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 74 [2018-02-04 03:39:50,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:39:50,895 INFO L225 Difference]: With dead ends: 674 [2018-02-04 03:39:50,895 INFO L226 Difference]: Without dead ends: 674 [2018-02-04 03:39:50,896 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 2 SyntacticMatches, 5 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1782 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=904, Invalid=6236, Unknown=0, NotChecked=0, Total=7140 [2018-02-04 03:39:50,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 674 states. [2018-02-04 03:39:50,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 674 to 599. [2018-02-04 03:39:50,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 599 states. [2018-02-04 03:39:50,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 683 transitions. [2018-02-04 03:39:50,899 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 683 transitions. Word has length 74 [2018-02-04 03:39:50,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:39:50,899 INFO L432 AbstractCegarLoop]: Abstraction has 599 states and 683 transitions. [2018-02-04 03:39:50,899 INFO L433 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-02-04 03:39:50,899 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 683 transitions. [2018-02-04 03:39:50,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-02-04 03:39:50,900 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:39:50,900 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-02-04 03:39:50,900 INFO L371 AbstractCegarLoop]: === Iteration 72 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:39:50,900 INFO L82 PathProgramCache]: Analyzing trace with hash -63140359, now seen corresponding path program 2 times [2018-02-04 03:39:50,900 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:39:50,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:39:50,914 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:39:51,839 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:39:51,839 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:39:51,839 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-02-04 03:39:51,839 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:39:51,840 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 03:39:51,840 INFO L182 omatonBuilderFactory]: Interpolants [59275#true, 59276#false, 59277#(= |main_#t~malloc0.offset| 0), 59278#(= main_~head~0.offset 0), 59279#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 59280#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 59281#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 59282#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 59283#(and (= main_~x~0.offset main_~head~0.offset) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 59284#(and (= |main_#t~mem9.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|) (not (= main_~head~0.base |main_#t~mem9.base|)) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 59285#(and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 59286#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 59287#(and (= 0 |main_#t~malloc5.offset|) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| |main_#t~malloc5.base|)) (= main_~head~0.offset 0)), 59288#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 59289#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem7.base|)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 59290#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| |main_#t~mem9.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 1) (not (= main_~head~0.base |main_#t~mem9.base|)) (= |main_#t~mem9.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|)) (= main_~head~0.offset 0)), 59291#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| main_~x~0.base)) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 1) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 59292#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~x~0.base)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 1) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset 0)), 59293#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc5.base|)) (= 12 (select |#length| main_~x~0.base)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset |main_#t~malloc5.offset|) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset)))), 59294#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 59295#(and (or (and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| main_~x~0.base)) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset)))) (and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base))) (not (= main_~x~0.base |main_#t~mem7.base|))), 59296#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| main_~x~0.base)) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base))), 59297#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= main_~head~0.offset |main_#t~mem9.offset|) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|))) (and (= main_~head~0.offset |main_#t~mem9.offset|) (= main_~head~0.base |main_#t~mem9.base|))), 59298#(or (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)) (and (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)))))), 59299#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 59300#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (and (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 59301#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 59302#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (and (= |main_#t~mem12.offset| 0) (= 0 |main_#t~mem12.base|))), 59303#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (not |main_#t~short14|)), 59304#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 59305#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)))), 59306#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 59307#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= |main_#t~mem12.offset| 0) (= |main_#t~mem12.offset| (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 59308#(and (= |main_#t~mem25.offset| 0) (= (select |#length| |main_#t~mem25.base|) 12))] [2018-02-04 03:39:51,840 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:39:51,840 INFO L409 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-02-04 03:39:51,840 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-02-04 03:39:51,840 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=1009, Unknown=0, NotChecked=0, Total=1122 [2018-02-04 03:39:51,841 INFO L87 Difference]: Start difference. First operand 599 states and 683 transitions. Second operand 34 states. [2018-02-04 03:39:54,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:39:54,502 INFO L93 Difference]: Finished difference Result 670 states and 747 transitions. [2018-02-04 03:39:54,502 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2018-02-04 03:39:54,502 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 74 [2018-02-04 03:39:54,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:39:54,503 INFO L225 Difference]: With dead ends: 670 [2018-02-04 03:39:54,503 INFO L226 Difference]: Without dead ends: 670 [2018-02-04 03:39:54,503 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 2 SyntacticMatches, 5 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1506 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=751, Invalid=5411, Unknown=0, NotChecked=0, Total=6162 [2018-02-04 03:39:54,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 670 states. [2018-02-04 03:39:54,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 670 to 599. [2018-02-04 03:39:54,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 599 states. [2018-02-04 03:39:54,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 682 transitions. [2018-02-04 03:39:54,507 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 682 transitions. Word has length 74 [2018-02-04 03:39:54,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:39:54,507 INFO L432 AbstractCegarLoop]: Abstraction has 599 states and 682 transitions. [2018-02-04 03:39:54,507 INFO L433 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-02-04 03:39:54,507 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 682 transitions. [2018-02-04 03:39:54,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-02-04 03:39:54,507 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:39:54,507 INFO L351 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:39:54,507 INFO L371 AbstractCegarLoop]: === Iteration 73 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:39:54,508 INFO L82 PathProgramCache]: Analyzing trace with hash -908428471, now seen corresponding path program 1 times [2018-02-04 03:39:54,508 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:39:54,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:39:54,513 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:39:54,543 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-02-04 03:39:54,544 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:39:54,544 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-02-04 03:39:54,544 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:39:54,544 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 03:39:54,544 INFO L182 omatonBuilderFactory]: Interpolants [60672#(and (= 2 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8))) (= main_~t1~0 2)), 60673#(= 2 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8))), 60674#(= 2 |main_#t~mem33|), 60668#true, 60669#false, 60670#(= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) |main_#t~mem30|), 60671#(= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) main_~t1~0)] [2018-02-04 03:39:54,544 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-02-04 03:39:54,544 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-02-04 03:39:54,544 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-02-04 03:39:54,544 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-02-04 03:39:54,544 INFO L87 Difference]: Start difference. First operand 599 states and 682 transitions. Second operand 7 states. [2018-02-04 03:39:54,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:39:54,684 INFO L93 Difference]: Finished difference Result 607 states and 685 transitions. [2018-02-04 03:39:54,684 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-02-04 03:39:54,684 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 75 [2018-02-04 03:39:54,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:39:54,685 INFO L225 Difference]: With dead ends: 607 [2018-02-04 03:39:54,685 INFO L226 Difference]: Without dead ends: 607 [2018-02-04 03:39:54,685 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-02-04 03:39:54,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 607 states. [2018-02-04 03:39:54,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 607 to 592. [2018-02-04 03:39:54,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states. [2018-02-04 03:39:54,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 669 transitions. [2018-02-04 03:39:54,688 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 669 transitions. Word has length 75 [2018-02-04 03:39:54,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:39:54,688 INFO L432 AbstractCegarLoop]: Abstraction has 592 states and 669 transitions. [2018-02-04 03:39:54,688 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-02-04 03:39:54,688 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 669 transitions. [2018-02-04 03:39:54,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-02-04 03:39:54,689 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:39:54,689 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-02-04 03:39:54,689 INFO L371 AbstractCegarLoop]: === Iteration 74 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:39:54,689 INFO L82 PathProgramCache]: Analyzing trace with hash -1248375792, now seen corresponding path program 2 times [2018-02-04 03:39:54,689 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:39:54,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:39:54,697 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:39:55,074 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:39:55,074 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:39:55,075 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-02-04 03:39:55,075 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:39:55,075 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 03:39:55,075 INFO L182 omatonBuilderFactory]: Interpolants [61888#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= (select |#valid| main_~x~0.base) 1)), 61889#(and (not (= main_~head~0.base |main_#t~malloc18.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc18.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base main_~x~0.base)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc18.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| |main_#t~malloc18.base|)) (not (= main_~x~0.base |main_#t~malloc18.base|))), 61890#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 61891#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem20.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base main_~x~0.base)) (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem20.base|))), 61892#(and (not (= main_~head~0.base |main_#t~mem22.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem22.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 61893#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)))), 61894#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 61895#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset main_~prev~0.base)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 61896#(and (not (= main_~x~0.base |main_#t~mem27.base|)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset main_~prev~0.base)) |main_#t~mem27.base|) |main_#t~mem27.offset|)))), 61897#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset main_~prev~0.base)) main_~next~0.base) main_~next~0.offset))) (not (= main_~x~0.base main_~next~0.base))), 61898#(= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 4) main_~next~0.base)) main_~next~0.base) main_~next~0.offset))), 61899#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~next~0.base) main_~next~0.offset))), 61900#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 61901#(= 1 (select |#valid| |main_#t~mem27.base|)), 61902#(= 1 (select |#valid| main_~next~0.base)), 61903#(= 1 (select |#valid| main_~x~0.base)), 61876#true, 61877#false, 61878#(= 1 (select |#valid| main_~head~0.base)), 61879#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 61880#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= (select |#valid| |main_#t~malloc5.base|) 1) (= main_~x~0.base main_~head~0.base)), 61881#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) 1) (= (select |#valid| main_~x~0.base) 1)), 61882#(and (= main_~x~0.offset main_~head~0.offset) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~head~0.offset)) 1) (= (select |#valid| main_~x~0.base) 1)), 61883#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) 1) (= (select |#valid| main_~x~0.base) 1)), 61884#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 1) (not (= main_~head~0.base |main_#t~mem9.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~head~0.base) 1)), 61885#(and (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 1) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)))), 61886#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 1) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~head~0.base) 1)), 61887#(and (not (= main_~head~0.base |main_#t~mem15.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem15.base|) (= |main_#t~mem15.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (= (select |#valid| |main_#t~mem15.base|) 1))] [2018-02-04 03:39:55,075 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:39:55,075 INFO L409 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-02-04 03:39:55,075 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-02-04 03:39:55,075 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=667, Unknown=0, NotChecked=0, Total=756 [2018-02-04 03:39:55,076 INFO L87 Difference]: Start difference. First operand 592 states and 669 transitions. Second operand 28 states. [2018-02-04 03:39:56,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:39:56,582 INFO L93 Difference]: Finished difference Result 767 states and 858 transitions. [2018-02-04 03:39:56,582 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-02-04 03:39:56,582 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 75 [2018-02-04 03:39:56,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:39:56,583 INFO L225 Difference]: With dead ends: 767 [2018-02-04 03:39:56,583 INFO L226 Difference]: Without dead ends: 767 [2018-02-04 03:39:56,583 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 620 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=375, Invalid=2381, Unknown=0, NotChecked=0, Total=2756 [2018-02-04 03:39:56,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 767 states. [2018-02-04 03:39:56,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 767 to 610. [2018-02-04 03:39:56,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 610 states. [2018-02-04 03:39:56,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 610 states and 690 transitions. [2018-02-04 03:39:56,586 INFO L78 Accepts]: Start accepts. Automaton has 610 states and 690 transitions. Word has length 75 [2018-02-04 03:39:56,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:39:56,586 INFO L432 AbstractCegarLoop]: Abstraction has 610 states and 690 transitions. [2018-02-04 03:39:56,586 INFO L433 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-02-04 03:39:56,586 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 690 transitions. [2018-02-04 03:39:56,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-02-04 03:39:56,587 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:39:56,587 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-02-04 03:39:56,587 INFO L371 AbstractCegarLoop]: === Iteration 75 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:39:56,587 INFO L82 PathProgramCache]: Analyzing trace with hash -1248375791, now seen corresponding path program 2 times [2018-02-04 03:39:56,587 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:39:56,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:39:56,595 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:39:57,125 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:39:57,125 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:39:57,125 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-02-04 03:39:57,125 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:39:57,125 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 03:39:57,126 INFO L182 omatonBuilderFactory]: Interpolants [63331#true, 63332#false, 63333#(= 1 (select |#valid| main_~head~0.base)), 63334#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 63335#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= (select |#valid| |main_#t~malloc5.base|) 1) (= main_~x~0.base main_~head~0.base)), 63336#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) 1) (= (select |#valid| main_~x~0.base) 1)), 63337#(and (= main_~x~0.offset main_~head~0.offset) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~head~0.offset)) 1) (= (select |#valid| main_~x~0.base) 1)), 63338#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) 1) (= (select |#valid| main_~x~0.base) 1)), 63339#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 1) (not (= main_~head~0.base |main_#t~mem9.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~head~0.base) 1)), 63340#(and (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 1) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)))), 63341#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 1) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~head~0.base) 1)), 63342#(and (not (= main_~head~0.base |main_#t~mem15.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem15.base|) (= |main_#t~mem15.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (= (select |#valid| |main_#t~mem15.base|) 1)), 63343#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= (select |#valid| main_~x~0.base) 1)), 63344#(and (= 12 (select |#length| |main_#t~malloc18.base|)) (not (= main_~head~0.base |main_#t~malloc18.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc18.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base main_~x~0.base)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc18.offset|)) main_~head~0.base) main_~head~0.offset)) (= 0 |main_#t~malloc18.offset|) (not (= main_~x~0.base |main_#t~malloc18.base|))), 63345#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 63346#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem20.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base main_~x~0.base)) (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem20.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem20.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~x~0.offset)) main_~x~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem20.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)))), 63347#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base |main_#t~mem22.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem22.base|))), 63348#(and (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)))), 63349#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 63350#(and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset main_~prev~0.offset)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset main_~prev~0.base)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 63351#(and (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset main_~prev~0.base)) |main_#t~mem27.base|) |main_#t~mem27.offset|))) (not (= main_~x~0.base |main_#t~mem27.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset main_~prev~0.offset)) |main_#t~mem27.base|) |main_#t~mem27.offset|))), 63352#(and (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset main_~prev~0.base)) main_~next~0.base) main_~next~0.offset))) (not (= main_~x~0.base main_~next~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset main_~prev~0.offset)) main_~next~0.base) main_~next~0.offset))), 63353#(and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 4) main_~next~0.offset)) main_~next~0.base) main_~next~0.offset)) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 4) main_~next~0.base)) main_~next~0.base) main_~next~0.offset)))), 63354#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~next~0.base) main_~next~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~next~0.base) main_~next~0.offset)))), 63355#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 63356#(and (= |main_#t~mem27.offset| (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 12 (select |#length| |main_#t~mem27.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 63357#(and (= 12 (select |#length| main_~next~0.base)) (= main_~next~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 63358#(and (= 12 (select |#length| main_~next~0.base)) (= 0 main_~next~0.offset)), 63359#(and (= (select |#length| main_~x~0.base) 12) (= 0 main_~x~0.offset))] [2018-02-04 03:39:57,126 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:39:57,126 INFO L409 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-02-04 03:39:57,126 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-02-04 03:39:57,126 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=727, Unknown=0, NotChecked=0, Total=812 [2018-02-04 03:39:57,126 INFO L87 Difference]: Start difference. First operand 610 states and 690 transitions. Second operand 29 states. [2018-02-04 03:39:58,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:39:58,963 INFO L93 Difference]: Finished difference Result 772 states and 865 transitions. [2018-02-04 03:39:58,964 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-02-04 03:39:58,964 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 75 [2018-02-04 03:39:58,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:39:58,965 INFO L225 Difference]: With dead ends: 772 [2018-02-04 03:39:58,965 INFO L226 Difference]: Without dead ends: 772 [2018-02-04 03:39:58,965 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 3 SyntacticMatches, 5 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 507 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=257, Invalid=2095, Unknown=0, NotChecked=0, Total=2352 [2018-02-04 03:39:58,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 772 states. [2018-02-04 03:39:58,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 772 to 609. [2018-02-04 03:39:58,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 609 states. [2018-02-04 03:39:58,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 609 states and 688 transitions. [2018-02-04 03:39:58,968 INFO L78 Accepts]: Start accepts. Automaton has 609 states and 688 transitions. Word has length 75 [2018-02-04 03:39:58,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:39:58,968 INFO L432 AbstractCegarLoop]: Abstraction has 609 states and 688 transitions. [2018-02-04 03:39:58,968 INFO L433 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-02-04 03:39:58,968 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 688 transitions. [2018-02-04 03:39:58,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-02-04 03:39:58,969 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:39:58,969 INFO L351 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:39:58,969 INFO L371 AbstractCegarLoop]: === Iteration 76 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:39:58,969 INFO L82 PathProgramCache]: Analyzing trace with hash 2013507587, now seen corresponding path program 1 times [2018-02-04 03:39:58,969 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:39:58,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:39:58,977 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:39:59,508 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:39:59,509 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:39:59,509 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-02-04 03:39:59,509 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:39:59,509 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 03:39:59,509 INFO L182 omatonBuilderFactory]: Interpolants [64781#true, 64782#false, 64783#(= (select |#valid| 0) 0), 64784#(and (= 1 (select |#valid| main_~head~0.base)) (= (select |#valid| 0) 0)), 64785#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= (select |#valid| 0) 0) (= main_~x~0.base main_~head~0.base)), 64786#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= (select |#valid| 0) 0) (= 1 (select |#valid| |main_#t~malloc5.base|)) (= main_~x~0.base main_~head~0.base)), 64787#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= (select |#valid| 0) 0) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 64788#(and (or (= main_~x~0.base |main_#t~mem7.base|) (and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= (select |#valid| 0) 0) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~head~0.offset))) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base))) (or (= 1 (select |#valid| 0)) (not (= main_~x~0.base |main_#t~mem7.base|)))), 64789#(or (= 1 (select |#valid| 0)) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| 0) 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base))), 64790#(or (and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| 0) 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| 0))), 64791#(or (= 1 (select |#valid| 0)) (and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= (select |#valid| 0) 0) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))))), 64792#(or (and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| 0) 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| 0))), 64793#(or (and (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= (select |#valid| 0) 0) (= main_~x~0.base main_~head~0.base)) (= 1 (select |#valid| 0))), 64794#(or (and (= 1 (select |#valid| |main_#t~mem15.base|)) (not (= main_~head~0.base |main_#t~mem15.base|)) (= 1 (select |#valid| main_~head~0.base)) (= (select |#valid| 0) 0) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| 0))), 64795#(or (and (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= (select |#valid| 0) 0) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))) (= 1 (select |#valid| 0))), 64796#(or (and (not (= main_~head~0.base |main_#t~malloc18.base|)) (not (= main_~x~0.base |main_#t~malloc18.base|)) (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc18.base|)) main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| 0))), 64797#(or (and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))) (= 1 (select |#valid| 0))), 64798#(or (and (not (= 0 (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem20.base|))) (= 1 (select |#valid| 0))), 64799#(or (= 1 (select |#valid| 0)) (and (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))))), 64800#(or (and (not (= main_~head~0.base |main_#t~mem22.base|)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| 0))), 64801#(or (and (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))) (= 1 (select |#valid| 0))), 64802#(or (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| 0))), 64803#(and (= 0 main_~prev~0.base) (or (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| 0)))), 64804#(and (= 0 main_~prev~0.base) (or (not (= 0 |main_#t~mem27.base|)) (= 1 (select |#valid| 0)))), 64805#(and (= 0 main_~prev~0.base) (or (not (= 0 main_~next~0.base)) (= 1 (select |#valid| 0)))), 64806#(and (or (not (= 0 main_~next~0.base)) (= 1 (select |#valid| 0))) (= 0 (select (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 4) main_~next~0.base) main_~x~0.offset))), 64807#(and (or (not (= 0 main_~x~0.base)) (= 1 (select |#valid| 0))) (= 0 (select (select |#memory_$Pointer$.base| main_~prev~0.base) main_~prev~0.offset))), 64808#(and (= 1 (select |#valid| 0)) (= 0 (select (select |#memory_$Pointer$.base| main_~prev~0.base) main_~prev~0.offset))), 64809#(and (= 1 (select |#valid| 0)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 64810#(= 1 (select |#valid| |main_#t~mem31.base|))] [2018-02-04 03:39:59,509 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:39:59,509 INFO L409 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-02-04 03:39:59,509 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-02-04 03:39:59,510 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=743, Unknown=0, NotChecked=0, Total=870 [2018-02-04 03:39:59,510 INFO L87 Difference]: Start difference. First operand 609 states and 688 transitions. Second operand 30 states. [2018-02-04 03:40:01,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:40:01,283 INFO L93 Difference]: Finished difference Result 620 states and 696 transitions. [2018-02-04 03:40:01,283 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-02-04 03:40:01,284 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 75 [2018-02-04 03:40:01,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:40:01,284 INFO L225 Difference]: With dead ends: 620 [2018-02-04 03:40:01,284 INFO L226 Difference]: Without dead ends: 620 [2018-02-04 03:40:01,285 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 4 SyntacticMatches, 3 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 657 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=480, Invalid=2942, Unknown=0, NotChecked=0, Total=3422 [2018-02-04 03:40:01,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 620 states. [2018-02-04 03:40:01,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 620 to 609. [2018-02-04 03:40:01,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 609 states. [2018-02-04 03:40:01,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 609 states and 687 transitions. [2018-02-04 03:40:01,287 INFO L78 Accepts]: Start accepts. Automaton has 609 states and 687 transitions. Word has length 75 [2018-02-04 03:40:01,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:40:01,287 INFO L432 AbstractCegarLoop]: Abstraction has 609 states and 687 transitions. [2018-02-04 03:40:01,287 INFO L433 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-02-04 03:40:01,287 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 687 transitions. [2018-02-04 03:40:01,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-02-04 03:40:01,288 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:40:01,288 INFO L351 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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 03:40:01,288 INFO L371 AbstractCegarLoop]: === Iteration 77 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:40:01,288 INFO L82 PathProgramCache]: Analyzing trace with hash 744755106, now seen corresponding path program 6 times [2018-02-04 03:40:01,288 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:40:01,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:40:01,301 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:40:02,522 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:40:02,523 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:40:02,523 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2018-02-04 03:40:02,523 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:40:02,523 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 03:40:02,523 INFO L182 omatonBuilderFactory]: Interpolants [66113#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~x~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 66112#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~x~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base |main_#t~mem7.base|)) (= main_~head~0.offset 0)), 66115#(and (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)))), 66114#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem9.base|)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 66117#(and (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= |main_#t~malloc5.offset| main_~head~0.offset) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset 0)), 66116#(and (= 1 (select |#valid| main_~x~0.base)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 66119#(and (or (and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) main_~head~0.offset) (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (and (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset 0))) (not (= main_~x~0.base |main_#t~mem7.base|))), 66118#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) main_~head~0.offset) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 66121#(or (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem9.base|)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= |main_#t~mem9.offset| main_~head~0.offset) (= main_~head~0.base |main_#t~mem9.base|))), 66120#(or (and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) main_~head~0.offset) (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 66123#(and (or (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)) (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~x~0.base))), 66122#(or (and (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)))) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base))), 66125#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (or (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base)))), 66124#(and (or (and (= main_~head~0.offset |main_#t~malloc5.offset|) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset))) (and (= 0 |main_#t~malloc5.offset|) (= main_~x~0.offset main_~head~0.offset) (= 12 (select |#length| |main_#t~malloc5.base|)) (= main_~x~0.base main_~head~0.base))) (not (= main_~x~0.base |main_#t~malloc5.base|))), 66127#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (or (and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 66126#(and (or (and (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))) (and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem7.base|))), 66129#(or (and (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)))) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base))), 66128#(or (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem9.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= main_~head~0.offset |main_#t~mem9.offset|) (= main_~head~0.base |main_#t~mem9.base|))), 66131#(or (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 66130#(or (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 66133#(or (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (and (= |main_#t~mem12.offset| 0) (= 0 |main_#t~mem12.base|))), 66132#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 66135#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 66134#(or (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (not |main_#t~short14|)), 66137#(and (= main_~x~0.offset 0) (= (select |#length| main_~x~0.base) 12)), 66136#(and (= 12 (select |#length| |main_#t~mem15.base|)) (= 0 |main_#t~mem15.offset|)), 66099#false, 66098#true, 66101#(= main_~head~0.offset 0), 66100#(= |main_#t~malloc0.offset| 0), 66103#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 66102#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 66105#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 66104#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= 12 (select |#length| |main_#t~malloc5.base|)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 66107#(and (= 12 (select |#length| |main_#t~mem9.base|)) (= |main_#t~mem9.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 66106#(and (= 12 (select |#length| |main_#t~mem7.base|)) (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (not (= main_~x~0.base |main_#t~mem7.base|)) (= (select |#valid| main_~x~0.base) 1)), 66109#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~x~0.base)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 66108#(and (= 12 (select |#length| main_~x~0.base)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))), 66111#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 66110#(and (= 12 (select |#length| main_~x~0.base)) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset 0))] [2018-02-04 03:40:02,523 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:40:02,524 INFO L409 AbstractCegarLoop]: Interpolant automaton has 40 states [2018-02-04 03:40:02,524 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2018-02-04 03:40:02,524 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=191, Invalid=1369, Unknown=0, NotChecked=0, Total=1560 [2018-02-04 03:40:02,524 INFO L87 Difference]: Start difference. First operand 609 states and 687 transitions. Second operand 40 states. [2018-02-04 03:40:05,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:40:05,551 INFO L93 Difference]: Finished difference Result 696 states and 767 transitions. [2018-02-04 03:40:05,551 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2018-02-04 03:40:05,551 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 75 [2018-02-04 03:40:05,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:40:05,552 INFO L225 Difference]: With dead ends: 696 [2018-02-04 03:40:05,552 INFO L226 Difference]: Without dead ends: 696 [2018-02-04 03:40:05,552 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 1 SyntacticMatches, 5 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1913 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=1158, Invalid=5814, Unknown=0, NotChecked=0, Total=6972 [2018-02-04 03:40:05,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 696 states. [2018-02-04 03:40:05,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 696 to 602. [2018-02-04 03:40:05,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 602 states. [2018-02-04 03:40:05,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 679 transitions. [2018-02-04 03:40:05,555 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 679 transitions. Word has length 75 [2018-02-04 03:40:05,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:40:05,555 INFO L432 AbstractCegarLoop]: Abstraction has 602 states and 679 transitions. [2018-02-04 03:40:05,555 INFO L433 AbstractCegarLoop]: Interpolant automaton has 40 states. [2018-02-04 03:40:05,555 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 679 transitions. [2018-02-04 03:40:05,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-02-04 03:40:05,556 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:40:05,556 INFO L351 BasicCegarLoop]: trace histogram [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, 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 03:40:05,556 INFO L371 AbstractCegarLoop]: === Iteration 78 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:40:05,556 INFO L82 PathProgramCache]: Analyzing trace with hash -1620770630, now seen corresponding path program 1 times [2018-02-04 03:40:05,557 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:40:05,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:40:05,563 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:40:05,803 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:40:05,803 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:40:05,803 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-02-04 03:40:05,803 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:40:05,803 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 03:40:05,804 INFO L182 omatonBuilderFactory]: Interpolants [67525#false, 67524#true, 67527#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 67526#(= 1 (select |#valid| main_~head~0.base)), 67529#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base)), 67528#(and (= 0 |main_#t~malloc18.offset|) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc18.base|)) (= main_~x~0.base main_~head~0.base)), 67531#(and (not (= main_~head~0.base |main_#t~mem22.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 67530#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem20.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~x~0.offset)) main_~x~0.base) main_~head~0.offset)) (not (= main_~x~0.base |main_#t~mem20.base|))), 67533#(= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)), 67532#(and (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))), 67535#(and (= |main_#t~mem27.offset| (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 67534#(= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)), 67537#(= 0 main_~next~0.offset), 67536#(and (= main_~next~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 67539#(and (<= 0 main_~prev~0.offset) (<= main_~prev~0.offset 0)), 67538#(= 0 main_~x~0.offset), 67541#(and (<= 0 main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (<= (+ main_~x~0.offset main_~head~0.offset 12) (select |#length| main_~x~0.base))), 67540#(and (<= main_~head~0.offset 0) (<= 0 main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 67543#(and (<= (+ main_~head~0.offset 12) (select |#length| main_~head~0.base)) (<= 0 main_~head~0.offset)), 67542#(and (<= (+ main_~head~0.offset 12) (select |#length| main_~x~0.base)) (<= 0 main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 67544#(and (<= (+ main_~x~0.offset 12) (select |#length| main_~x~0.base)) (<= 0 main_~x~0.offset))] [2018-02-04 03:40:05,804 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:40:05,804 INFO L409 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-02-04 03:40:05,804 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-02-04 03:40:05,804 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2018-02-04 03:40:05,804 INFO L87 Difference]: Start difference. First operand 602 states and 679 transitions. Second operand 21 states. [2018-02-04 03:40:06,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:40:06,554 INFO L93 Difference]: Finished difference Result 648 states and 720 transitions. [2018-02-04 03:40:06,554 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-02-04 03:40:06,554 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 76 [2018-02-04 03:40:06,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:40:06,555 INFO L225 Difference]: With dead ends: 648 [2018-02-04 03:40:06,555 INFO L226 Difference]: Without dead ends: 648 [2018-02-04 03:40:06,556 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 463 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=293, Invalid=1963, Unknown=0, NotChecked=0, Total=2256 [2018-02-04 03:40:06,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 648 states. [2018-02-04 03:40:06,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 648 to 606. [2018-02-04 03:40:06,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 606 states. [2018-02-04 03:40:06,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 606 states and 684 transitions. [2018-02-04 03:40:06,558 INFO L78 Accepts]: Start accepts. Automaton has 606 states and 684 transitions. Word has length 76 [2018-02-04 03:40:06,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:40:06,558 INFO L432 AbstractCegarLoop]: Abstraction has 606 states and 684 transitions. [2018-02-04 03:40:06,558 INFO L433 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-02-04 03:40:06,558 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 684 transitions. [2018-02-04 03:40:06,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-02-04 03:40:06,559 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:40:06,559 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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 03:40:06,559 INFO L371 AbstractCegarLoop]: === Iteration 79 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:40:06,559 INFO L82 PathProgramCache]: Analyzing trace with hash -1090972313, now seen corresponding path program 4 times [2018-02-04 03:40:06,559 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:40:06,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:40:06,577 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:40:07,422 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:40:07,423 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:40:07,423 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2018-02-04 03:40:07,423 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:40:07,423 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 03:40:07,423 INFO L182 omatonBuilderFactory]: Interpolants [68865#(and (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset 0)), 68864#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 68867#(and (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset 0) (not (= main_~x~0.base |main_#t~mem7.base|))), 68866#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 68869#(and (not (= main_~head~0.base |main_#t~mem9.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 68868#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 68871#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 68870#(and (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))), 68873#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 68872#(and (= 0 main_~head~0.offset) (= main_~head~0.offset |main_#t~malloc5.offset|) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset))), 68875#(and (or (and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 68874#(and (or (and (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))) (not (= main_~x~0.base |main_#t~mem7.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 68877#(and (= 0 main_~head~0.offset) (or (and (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base)) (= main_~x~0.offset 0)), 68876#(and (= 0 |main_#t~mem9.offset|) (or (and (= main_~head~0.offset |main_#t~mem9.offset|) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= main_~head~0.offset |main_#t~mem9.offset|) (= main_~head~0.base |main_#t~mem9.base|)))), 68879#(and (= 0 main_~head~0.offset) (or (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 68878#(and (= 0 main_~head~0.offset) (= main_~x~0.offset 0) (or (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))))), 68881#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 68880#(and (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= main_~x~0.offset 0)), 68883#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base)), 68882#(or (and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base)) (and (= 0 |main_#t~mem17.base|) (= |main_#t~mem17.offset| 0))), 68885#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (<= 4 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 68884#(or (and (= |main_#t~mem25.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= |main_#t~mem25.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (<= (select |#length| |main_#t~mem25.base|) 3)), 68887#(and (= |main_#t~mem27.offset| (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (<= 4 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= |main_#t~mem27.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 68886#(and (<= 4 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 68889#(and (= 0 main_~next~0.offset) (<= 4 (select |#length| main_~next~0.base))), 68888#(and (= main_~next~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~next~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (<= 4 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 68890#(and (<= 4 (select |#length| main_~x~0.base)) (= 0 main_~x~0.offset)), 68853#true, 68855#(= |main_#t~malloc0.offset| 0), 68854#false, 68857#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 68856#(= main_~head~0.offset 0), 68859#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 68858#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 68861#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~head~0.offset)))), 68860#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 68863#(and (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))), 68862#(and (not (= main_~head~0.base |main_#t~mem9.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))] [2018-02-04 03:40:07,423 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:40:07,424 INFO L409 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-02-04 03:40:07,424 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-02-04 03:40:07,424 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=1265, Unknown=0, NotChecked=0, Total=1406 [2018-02-04 03:40:07,424 INFO L87 Difference]: Start difference. First operand 606 states and 684 transitions. Second operand 38 states. [2018-02-04 03:40:09,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:40:09,589 INFO L93 Difference]: Finished difference Result 626 states and 700 transitions. [2018-02-04 03:40:09,590 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-02-04 03:40:09,590 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 76 [2018-02-04 03:40:09,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:40:09,590 INFO L225 Difference]: With dead ends: 626 [2018-02-04 03:40:09,590 INFO L226 Difference]: Without dead ends: 626 [2018-02-04 03:40:09,591 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 5 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1276 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=881, Invalid=3949, Unknown=0, NotChecked=0, Total=4830 [2018-02-04 03:40:09,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 626 states. [2018-02-04 03:40:09,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 626 to 606. [2018-02-04 03:40:09,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 606 states. [2018-02-04 03:40:09,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 606 states and 683 transitions. [2018-02-04 03:40:09,594 INFO L78 Accepts]: Start accepts. Automaton has 606 states and 683 transitions. Word has length 76 [2018-02-04 03:40:09,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:40:09,594 INFO L432 AbstractCegarLoop]: Abstraction has 606 states and 683 transitions. [2018-02-04 03:40:09,594 INFO L433 AbstractCegarLoop]: Interpolant automaton has 38 states. [2018-02-04 03:40:09,594 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 683 transitions. [2018-02-04 03:40:09,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-02-04 03:40:09,594 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:40:09,594 INFO L351 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:40:09,594 INFO L371 AbstractCegarLoop]: === Iteration 80 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:40:09,594 INFO L82 PathProgramCache]: Analyzing trace with hash 345608825, now seen corresponding path program 4 times [2018-02-04 03:40:09,595 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:40:09,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:40:09,615 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:40:10,160 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:40:10,160 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:40:10,161 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-02-04 03:40:10,161 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:40:10,161 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 03:40:10,161 INFO L182 omatonBuilderFactory]: Interpolants [70209#(and (not (= (select |#valid| main_~head~0.base) 0)) (or (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 70208#(and (or (= |main_#t~mem9.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))) (not (= (select |#valid| main_~head~0.base) 0)) (not (= main_~head~0.base |main_#t~mem9.base|))), 70211#(and (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (or (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)))), 70210#(and (= 1 (select |#valid| main_~x~0.base)) (not (= (select |#valid| main_~head~0.base) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 70213#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem7.base|))), 70212#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 70215#(and (not (= main_~head~0.base |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 70214#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 70217#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 70216#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 70219#(= 1 (select |#valid| |main_#t~mem25.base|)), 70218#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 70187#true, 70189#(= 1 (select |#valid| main_~head~0.base)), 70188#false, 70191#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 70190#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 70193#(and (= main_~x~0.offset main_~head~0.offset) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= (select |#valid| main_~x~0.base) 1)), 70192#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 70195#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base))), 70194#(and (= |main_#t~mem9.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= (select |#valid| main_~head~0.base) 1)), 70197#(and (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1)), 70196#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= (select |#valid| main_~x~0.base) 1)), 70199#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base |main_#t~mem7.base|))), 70198#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 70201#(and (not (= main_~head~0.base |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~head~0.base) 1)), 70200#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 70203#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= (select |#valid| main_~x~0.base) 1)), 70202#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base))), 70205#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select |#valid| main_~head~0.base) 0)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (or (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))))), 70204#(and (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (not (= (select |#valid| main_~head~0.base) 0)) (or (= |main_#t~malloc5.base| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset))))), 70207#(and (not (= (select |#valid| main_~head~0.base) 0)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (or (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))))), 70206#(and (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (not (= (select |#valid| main_~head~0.base) 0)) (or (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base |main_#t~mem7.base|)))] [2018-02-04 03:40:10,161 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:40:10,161 INFO L409 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-02-04 03:40:10,162 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-02-04 03:40:10,162 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=931, Unknown=0, NotChecked=0, Total=1056 [2018-02-04 03:40:10,162 INFO L87 Difference]: Start difference. First operand 606 states and 683 transitions. Second operand 33 states. [2018-02-04 03:40:11,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:40:11,205 INFO L93 Difference]: Finished difference Result 630 states and 705 transitions. [2018-02-04 03:40:11,206 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-02-04 03:40:11,206 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 76 [2018-02-04 03:40:11,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:40:11,206 INFO L225 Difference]: With dead ends: 630 [2018-02-04 03:40:11,207 INFO L226 Difference]: Without dead ends: 630 [2018-02-04 03:40:11,207 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 4 SyntacticMatches, 5 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 687 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=432, Invalid=2220, Unknown=0, NotChecked=0, Total=2652 [2018-02-04 03:40:11,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2018-02-04 03:40:11,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 606. [2018-02-04 03:40:11,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 606 states. [2018-02-04 03:40:11,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 606 states and 682 transitions. [2018-02-04 03:40:11,209 INFO L78 Accepts]: Start accepts. Automaton has 606 states and 682 transitions. Word has length 76 [2018-02-04 03:40:11,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:40:11,209 INFO L432 AbstractCegarLoop]: Abstraction has 606 states and 682 transitions. [2018-02-04 03:40:11,209 INFO L433 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-02-04 03:40:11,210 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 682 transitions. [2018-02-04 03:40:11,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-02-04 03:40:11,210 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:40:11,210 INFO L351 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:40:11,210 INFO L371 AbstractCegarLoop]: === Iteration 81 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:40:11,210 INFO L82 PathProgramCache]: Analyzing trace with hash 345608826, now seen corresponding path program 4 times [2018-02-04 03:40:11,211 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:40:11,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:40:11,222 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:40:11,957 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-02-04 03:40:11,957 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:40:11,957 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-02-04 03:40:11,957 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:40:11,957 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 03:40:11,957 INFO L182 omatonBuilderFactory]: Interpolants [71495#false, 71494#true, 71497#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 71496#(= 1 (select |#valid| main_~head~0.base)), 71499#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 71498#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= 12 (select |#length| |main_#t~malloc5.base|)) (= main_~x~0.base main_~head~0.base)), 71501#(and (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 71500#(and (= (select |#length| |main_#t~mem7.base|) 12) (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= (select |#valid| main_~x~0.base) 1)), 71503#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (<= 12 (select |#length| main_~x~0.base)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))), 71502#(and (= |main_#t~mem9.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= (select |#valid| main_~head~0.base) 1) (<= 12 (select |#length| |main_#t~mem9.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 71505#(and (not (= main_~head~0.base |main_#t~malloc5.base|)) (<= 12 (select |#length| main_~x~0.base)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset))), 71504#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (<= 12 (select |#length| main_~x~0.base)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 71507#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (<= 12 (select |#length| main_~x~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem7.base|))), 71506#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (<= 12 (select |#length| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 71509#(and (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem9.base|)) (= (select |#valid| main_~head~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 71508#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (<= 12 (select |#length| main_~x~0.base)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 71511#(and (= 1 (select |#valid| main_~x~0.base)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 71510#(and (<= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))), 71513#(and (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 71512#(and (<= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= (select |#valid| main_~head~0.base) 1) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset))), 71515#(and (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 71514#(and (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base |main_#t~mem7.base|)) (<= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)))), 71517#(and (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 71516#(and (<= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset))), 71519#(and (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 71518#(and (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base |main_#t~mem7.base|)) (<= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)))), 71521#(and (<= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))), 71520#(and (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem9.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 71523#(and (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 71522#(and (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 71524#(and (= |main_#t~mem25.offset| 0) (<= 12 (select |#length| |main_#t~mem25.base|)))] [2018-02-04 03:40:11,958 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-02-04 03:40:11,958 INFO L409 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-02-04 03:40:11,958 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-02-04 03:40:11,958 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=156, Invalid=774, Unknown=0, NotChecked=0, Total=930 [2018-02-04 03:40:11,958 INFO L87 Difference]: Start difference. First operand 606 states and 682 transitions. Second operand 31 states. [2018-02-04 03:40:13,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:40:13,233 INFO L93 Difference]: Finished difference Result 629 states and 704 transitions. [2018-02-04 03:40:13,233 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-02-04 03:40:13,233 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 76 [2018-02-04 03:40:13,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:40:13,234 INFO L225 Difference]: With dead ends: 629 [2018-02-04 03:40:13,234 INFO L226 Difference]: Without dead ends: 629 [2018-02-04 03:40:13,234 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 2 SyntacticMatches, 9 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 704 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=435, Invalid=1821, Unknown=0, NotChecked=0, Total=2256 [2018-02-04 03:40:13,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 629 states. [2018-02-04 03:40:13,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 629 to 598. [2018-02-04 03:40:13,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 598 states. [2018-02-04 03:40:13,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 672 transitions. [2018-02-04 03:40:13,237 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 672 transitions. Word has length 76 [2018-02-04 03:40:13,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:40:13,237 INFO L432 AbstractCegarLoop]: Abstraction has 598 states and 672 transitions. [2018-02-04 03:40:13,237 INFO L433 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-02-04 03:40:13,237 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 672 transitions. [2018-02-04 03:40:13,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-02-04 03:40:13,238 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:40:13,238 INFO L351 BasicCegarLoop]: trace histogram [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, 1, 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 03:40:13,238 INFO L371 AbstractCegarLoop]: === Iteration 82 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:40:13,238 INFO L82 PathProgramCache]: Analyzing trace with hash 1295716611, now seen corresponding path program 1 times [2018-02-04 03:40:13,238 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:40:13,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:40:13,244 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:40:13,267 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-02-04 03:40:13,267 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:40:13,267 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 03:40:13,267 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:40:13,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:40:13,267 INFO L182 omatonBuilderFactory]: Interpolants [72787#false, 72786#true, 72789#(or (not (= 0 main_~prev~0.offset)) (not (= 0 main_~prev~0.base))), 72788#(or (not (= 0 main_~x~0.offset)) (not (= 0 main_~x~0.base))), 72790#(or (not (= 0 main_~head~0.offset)) (not (= 0 main_~head~0.base)))] [2018-02-04 03:40:13,267 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-02-04 03:40:13,267 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 03:40:13,267 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 03:40:13,268 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-04 03:40:13,268 INFO L87 Difference]: Start difference. First operand 598 states and 672 transitions. Second operand 5 states. [2018-02-04 03:40:13,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:40:13,351 INFO L93 Difference]: Finished difference Result 606 states and 679 transitions. [2018-02-04 03:40:13,351 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-02-04 03:40:13,352 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 77 [2018-02-04 03:40:13,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:40:13,352 INFO L225 Difference]: With dead ends: 606 [2018-02-04 03:40:13,352 INFO L226 Difference]: Without dead ends: 606 [2018-02-04 03:40:13,353 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 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 03:40:13,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 606 states. [2018-02-04 03:40:13,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 606 to 598. [2018-02-04 03:40:13,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 598 states. [2018-02-04 03:40:13,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 670 transitions. [2018-02-04 03:40:13,357 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 670 transitions. Word has length 77 [2018-02-04 03:40:13,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:40:13,357 INFO L432 AbstractCegarLoop]: Abstraction has 598 states and 670 transitions. [2018-02-04 03:40:13,357 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 03:40:13,357 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 670 transitions. [2018-02-04 03:40:13,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-02-04 03:40:13,358 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:40:13,358 INFO L351 BasicCegarLoop]: trace histogram [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, 1, 1, 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 03:40:13,358 INFO L371 AbstractCegarLoop]: === Iteration 83 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:40:13,358 INFO L82 PathProgramCache]: Analyzing trace with hash 1512559226, now seen corresponding path program 1 times [2018-02-04 03:40:13,359 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:40:13,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:40:13,368 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:40:13,532 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-02-04 03:40:13,532 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:40:13,532 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-02-04 03:40:13,532 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:40:13,533 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 03:40:13,533 INFO L182 omatonBuilderFactory]: Interpolants [74017#(= 0 main_~head~0.offset), 74016#(= 0 main_~prev~0.offset), 74003#false, 74002#true, 74005#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 74004#(= 1 (select |#valid| main_~head~0.base)), 74007#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base)), 74006#(and (= 0 |main_#t~malloc18.offset|) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc18.base|)) (= main_~x~0.base main_~head~0.base)), 74009#(and (not (= main_~head~0.base |main_#t~mem22.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 74008#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem20.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~x~0.offset)) main_~x~0.base) main_~head~0.offset)) (not (= main_~x~0.base |main_#t~mem20.base|))), 74011#(= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)), 74010#(and (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))), 74013#(= 0 |main_#t~mem27.offset|), 74012#(= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)), 74015#(= 0 main_~x~0.offset), 74014#(= 0 main_~next~0.offset)] [2018-02-04 03:40:13,533 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-02-04 03:40:13,533 INFO L409 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-02-04 03:40:13,533 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-02-04 03:40:13,533 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2018-02-04 03:40:13,533 INFO L87 Difference]: Start difference. First operand 598 states and 670 transitions. Second operand 16 states. [2018-02-04 03:40:14,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:40:14,041 INFO L93 Difference]: Finished difference Result 629 states and 698 transitions. [2018-02-04 03:40:14,041 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-02-04 03:40:14,042 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 78 [2018-02-04 03:40:14,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:40:14,042 INFO L225 Difference]: With dead ends: 629 [2018-02-04 03:40:14,042 INFO L226 Difference]: Without dead ends: 629 [2018-02-04 03:40:14,043 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 4 SyntacticMatches, 3 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=217, Invalid=1189, Unknown=0, NotChecked=0, Total=1406 [2018-02-04 03:40:14,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 629 states. [2018-02-04 03:40:14,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 629 to 598. [2018-02-04 03:40:14,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 598 states. [2018-02-04 03:40:14,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 670 transitions. [2018-02-04 03:40:14,045 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 670 transitions. Word has length 78 [2018-02-04 03:40:14,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:40:14,045 INFO L432 AbstractCegarLoop]: Abstraction has 598 states and 670 transitions. [2018-02-04 03:40:14,045 INFO L433 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-02-04 03:40:14,046 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 670 transitions. [2018-02-04 03:40:14,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-02-04 03:40:14,046 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:40:14,046 INFO L351 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:40:14,046 INFO L371 AbstractCegarLoop]: === Iteration 84 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:40:14,046 INFO L82 PathProgramCache]: Analyzing trace with hash -1235202184, now seen corresponding path program 1 times [2018-02-04 03:40:14,047 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:40:14,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:40:14,054 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:40:14,506 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:40:14,506 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:40:14,506 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-02-04 03:40:14,506 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:40:14,506 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 03:40:14,507 INFO L182 omatonBuilderFactory]: Interpolants [75289#true, 75291#(= 0 |main_#t~malloc0.offset|), 75290#false, 75293#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 75292#(= main_~head~0.offset 0), 75295#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset 0) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 75294#(and (= main_~x~0.offset 0) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 75297#(and (= main_~x~0.offset 0) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= main_~head~0.offset 0) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~head~0.offset)))), 75296#(and (= main_~x~0.offset 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 75299#(and (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)))), 75298#(and (not (= main_~head~0.base |main_#t~mem9.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset 0)), 75301#(and (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8))) (= main_~x~0.offset main_~head~0.offset) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 75300#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset 0)), 75303#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset 0)), 75302#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select (select (store |#memory_int| |main_#t~mem25.base| (store (select |#memory_int| |main_#t~mem25.base|) (+ |main_#t~mem25.offset| 8) 2)) main_~head~0.base) (+ main_~head~0.offset 8))) (not (= |main_#t~mem25.base| main_~head~0.base)) (= main_~head~0.offset 0)), 75305#(and (not (= main_~x~0.base |main_#t~mem27.base|)) (= 1 (select (select |#memory_int| main_~x~0.base) (+ 0 8))) (= 0 main_~x~0.offset)), 75304#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select (select |#memory_int| main_~x~0.base) (+ 0 8))) (= 0 main_~x~0.offset)), 75307#(and (= 0 main_~prev~0.offset) (not (= main_~x~0.base main_~prev~0.base)) (= 1 (select (select |#memory_int| main_~prev~0.base) (+ 0 8)))), 75306#(and (= 1 (select (select |#memory_int| main_~x~0.base) (+ 0 8))) (not (= main_~x~0.base main_~next~0.base)) (= 0 main_~x~0.offset)), 75309#(and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 8))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 75308#(and (not (= main_~x~0.base (select (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 4) main_~next~0.base) main_~x~0.offset))) (= 1 (select (select |#memory_int| (select (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 4) main_~next~0.base) main_~x~0.offset)) (+ 0 8))) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 4) main_~next~0.offset) main_~x~0.offset))), 75311#(and (= 0 |main_#t~mem35.offset|) (= 1 (select (select |#memory_int| |main_#t~mem35.base|) (+ 0 8)))), 75310#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~prev~0.base) main_~prev~0.offset)) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~prev~0.base) main_~prev~0.offset)) (+ 0 8)))), 75313#(= 1 |main_#t~mem30|), 75312#(= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8))), 75314#(= 1 main_~t1~0)] [2018-02-04 03:40:14,507 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:40:14,507 INFO L409 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-02-04 03:40:14,507 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-02-04 03:40:14,507 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=572, Unknown=0, NotChecked=0, Total=650 [2018-02-04 03:40:14,507 INFO L87 Difference]: Start difference. First operand 598 states and 670 transitions. Second operand 26 states. [2018-02-04 03:40:15,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:40:15,740 INFO L93 Difference]: Finished difference Result 713 states and 791 transitions. [2018-02-04 03:40:15,740 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-02-04 03:40:15,740 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 78 [2018-02-04 03:40:15,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:40:15,741 INFO L225 Difference]: With dead ends: 713 [2018-02-04 03:40:15,741 INFO L226 Difference]: Without dead ends: 713 [2018-02-04 03:40:15,741 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 3 SyntacticMatches, 10 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 728 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=393, Invalid=2577, Unknown=0, NotChecked=0, Total=2970 [2018-02-04 03:40:15,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 713 states. [2018-02-04 03:40:15,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 713 to 616. [2018-02-04 03:40:15,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 616 states. [2018-02-04 03:40:15,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 616 states and 689 transitions. [2018-02-04 03:40:15,744 INFO L78 Accepts]: Start accepts. Automaton has 616 states and 689 transitions. Word has length 78 [2018-02-04 03:40:15,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:40:15,745 INFO L432 AbstractCegarLoop]: Abstraction has 616 states and 689 transitions. [2018-02-04 03:40:15,745 INFO L433 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-02-04 03:40:15,745 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 689 transitions. [2018-02-04 03:40:15,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-02-04 03:40:15,745 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:40:15,745 INFO L351 BasicCegarLoop]: trace histogram [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, 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 03:40:15,745 INFO L371 AbstractCegarLoop]: === Iteration 85 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:40:15,745 INFO L82 PathProgramCache]: Analyzing trace with hash -242685225, now seen corresponding path program 1 times [2018-02-04 03:40:15,746 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:40:15,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:40:15,753 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:40:16,147 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:40:16,147 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:40:16,147 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-02-04 03:40:16,147 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:40:16,147 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 03:40:16,147 INFO L182 omatonBuilderFactory]: Interpolants [76703#false, 76702#true, 76705#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 76704#(= 1 (select |#valid| main_~head~0.base)), 76707#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) 1) (= (select |#valid| main_~x~0.base) 1)), 76706#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= (select |#valid| |main_#t~malloc5.base|) 1) (= main_~x~0.base main_~head~0.base)), 76709#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) 1) (= (select |#valid| main_~x~0.base) 1)), 76708#(and (= main_~x~0.offset main_~head~0.offset) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~head~0.offset)) 1) (= (select |#valid| main_~x~0.base) 1)), 76711#(and (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 1) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)))), 76710#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 1) (not (= main_~head~0.base |main_#t~mem9.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~head~0.base) 1)), 76713#(and (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem15.offset|) (not (= main_~head~0.base |main_#t~mem15.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem15.base|) (= (select |#valid| main_~head~0.base) 1) (= (select |#valid| |main_#t~mem15.base|) 1)), 76712#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 1) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~head~0.base) 1)), 76715#(and (not (= 0 |main_#t~malloc18.base|)) (not (= main_~head~0.base |main_#t~malloc18.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc18.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base main_~x~0.base)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc18.offset|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base |main_#t~malloc18.base|))), 76714#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= (select |#valid| main_~x~0.base) 1)), 76717#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base main_~x~0.base)) (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem20.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem20.base|))), 76716#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 76719#(and (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)))), 76718#(and (not (= main_~head~0.base |main_#t~mem22.base|)) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem22.base|))), 76721#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset main_~prev~0.base)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 76720#(and (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 76723#(and (= main_~next~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset main_~prev~0.base)) main_~next~0.base) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= main_~x~0.base main_~next~0.base))), 76722#(and (not (= main_~x~0.base |main_#t~mem27.base|)) (= |main_#t~mem27.offset| (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset main_~prev~0.base)) |main_#t~mem27.base|) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 76725#(not (= 0 (select (select |#memory_$Pointer$.base| main_~next~0.base) main_~next~0.offset))), 76724#(not (= 0 (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 4) main_~next~0.base)) main_~next~0.base) main_~next~0.offset))), 76727#(not (= 0 |main_#t~mem27.base|)), 76726#(not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 76729#(not (= 0 main_~x~0.base)), 76728#(not (= 0 main_~next~0.base))] [2018-02-04 03:40:16,147 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:40:16,148 INFO L409 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-02-04 03:40:16,148 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-02-04 03:40:16,148 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=674, Unknown=0, NotChecked=0, Total=756 [2018-02-04 03:40:16,148 INFO L87 Difference]: Start difference. First operand 616 states and 689 transitions. Second operand 28 states. [2018-02-04 03:40:17,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:40:17,480 INFO L93 Difference]: Finished difference Result 635 states and 707 transitions. [2018-02-04 03:40:17,480 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-02-04 03:40:17,480 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 78 [2018-02-04 03:40:17,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:40:17,481 INFO L225 Difference]: With dead ends: 635 [2018-02-04 03:40:17,481 INFO L226 Difference]: Without dead ends: 635 [2018-02-04 03:40:17,482 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 4 SyntacticMatches, 4 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 475 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=252, Invalid=2004, Unknown=0, NotChecked=0, Total=2256 [2018-02-04 03:40:17,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 635 states. [2018-02-04 03:40:17,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 635 to 616. [2018-02-04 03:40:17,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 616 states. [2018-02-04 03:40:17,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 616 states and 688 transitions. [2018-02-04 03:40:17,484 INFO L78 Accepts]: Start accepts. Automaton has 616 states and 688 transitions. Word has length 78 [2018-02-04 03:40:17,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:40:17,485 INFO L432 AbstractCegarLoop]: Abstraction has 616 states and 688 transitions. [2018-02-04 03:40:17,485 INFO L433 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-02-04 03:40:17,485 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 688 transitions. [2018-02-04 03:40:17,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-02-04 03:40:17,485 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:40:17,485 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2018-02-04 03:40:17,485 INFO L371 AbstractCegarLoop]: === Iteration 86 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:40:17,485 INFO L82 PathProgramCache]: Analyzing trace with hash -2035343339, now seen corresponding path program 5 times [2018-02-04 03:40:17,486 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:40:17,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:40:17,502 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:40:19,101 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 10 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:40:19,102 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:40:19,102 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [40] total 40 [2018-02-04 03:40:19,102 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:40:19,102 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 03:40:19,103 INFO L182 omatonBuilderFactory]: Interpolants [78021#true, 78023#(and (= |main_#t~malloc0.offset| 0) (= 12 (select |#length| |main_#t~malloc0.base|))), 78022#false, 78025#(and (= 12 (select |#length| main_~head~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 78024#(and (= 12 (select |#length| main_~head~0.base)) (= main_~head~0.offset 0)), 78027#(and (= 12 (select |#length| main_~x~0.base)) (= |main_#t~malloc5.offset| main_~x~0.offset) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~head~0.offset main_~x~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 main_~x~0.offset)), 78026#(and (= 12 (select |#length| main_~x~0.base)) (= main_~head~0.offset main_~x~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1) (= 0 main_~x~0.offset)), 78029#(and (= 12 (select |#length| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset main_~x~0.offset) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem7.base|)) (= (select |#valid| main_~x~0.base) 1)), 78028#(and (= 12 (select |#length| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset main_~x~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= (select |#valid| main_~x~0.base) 1)), 78031#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~head~0.base)) (= main_~x~0.offset 0) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))), 78030#(and (= 12 (select |#length| main_~head~0.base)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.offset|) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 78033#(and (= 0 |main_#t~malloc5.offset|) (= 12 (select |#length| main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (= main_~x~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset 0)), 78032#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~head~0.base)) (= 1 (select |#valid| main_~x~0.base)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base)), 78035#(and (= 12 (select |#length| main_~head~0.base)) (not (= main_~head~0.base main_~x~0.base)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem7.base|)) (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset) main_~x~0.base) (= main_~head~0.offset 0)), 78034#(and (= 12 (select |#length| main_~head~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base)), 78037#(and (= 12 (select |#length| main_~head~0.base)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem9.base|) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.offset|) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem9.offset|) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 78036#(and (= 12 (select |#length| main_~head~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base)), 78039#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (or (and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (and (= main_~x~0.offset 0) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (or (<= 1 main_~x~0.offset) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))) (= (select |#length| main_~x~0.base) 12))), 78038#(or (and (or (<= 1 main_~x~0.offset) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base))) (= (select |#length| main_~x~0.base) 12)) (<= (+ main_~x~0.offset 1) 0) (and (or (and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= main_~x~0.offset 0)) (and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)))), 78041#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (or (and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) 0)))))), 78040#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (or (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 78043#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (or (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) 0))) (and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 78042#(or (and (= 0 |main_#t~mem17.base|) (= |main_#t~mem17.offset| 0)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (or (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) 0))) (and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 78045#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (or (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 78044#(and (= |main_#t~mem25.offset| 0) (= |main_#t~mem25.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (or (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem25.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem25.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0)) (not (= (+ |main_#t~mem25.offset| 8) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem25.base| (select (select |#memory_$Pointer$.base| |main_#t~mem25.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem25.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0))) (and (not (= (+ |main_#t~mem25.offset| 8) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem25.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem25.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem25.base| main_~head~0.base))), 78047#(and (not (= main_~x~0.base |main_#t~mem27.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset main_~prev~0.offset)) |main_#t~mem27.base|) |main_#t~mem27.offset|)) (or (and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset main_~prev~0.offset)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset main_~prev~0.base)) |main_#t~mem27.base|) |main_#t~mem27.offset|)) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset main_~prev~0.base)) |main_#t~mem27.base|) |main_#t~mem27.offset|))) (= 0 (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset main_~prev~0.base)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset main_~prev~0.base)) |main_#t~mem27.base|) |main_#t~mem27.offset|)) 0)) (= |main_#t~mem27.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset main_~prev~0.base)) |main_#t~mem27.base|) |main_#t~mem27.offset|)))) (= 0 (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset main_~prev~0.base)) |main_#t~mem27.base|) |main_#t~mem27.offset|)))), 78046#(and (or (= 0 (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset main_~prev~0.base)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset main_~prev~0.offset)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset main_~prev~0.base)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) 0)) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset main_~prev~0.base)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= 0 (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset main_~prev~0.base)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset main_~prev~0.base)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset main_~prev~0.base)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset main_~prev~0.offset)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 78049#(and (or (and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 4) main_~next~0.offset)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 4) main_~next~0.base)) main_~next~0.base) main_~next~0.offset)) 0)) (not (= main_~next~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 4) main_~next~0.base)) main_~next~0.base) main_~next~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 4) main_~next~0.base)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 4) main_~next~0.base)) main_~next~0.base) main_~next~0.offset)) 0))) (= 0 (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 4) main_~next~0.base)) main_~next~0.base) main_~next~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 4) main_~next~0.offset)) main_~next~0.base) main_~next~0.offset))), 78048#(and (or (= 0 (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset main_~prev~0.base)) main_~next~0.base) main_~next~0.offset)) (and (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset main_~prev~0.base)) main_~next~0.base) main_~next~0.offset))) (= main_~next~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset main_~prev~0.base)) main_~next~0.base) main_~next~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset main_~prev~0.offset)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset main_~prev~0.base)) main_~next~0.base) main_~next~0.offset)) 0)) (= 0 (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset main_~prev~0.base)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset main_~prev~0.base)) main_~next~0.base) main_~next~0.offset)) 0)))) (not (= main_~x~0.base main_~next~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset main_~prev~0.offset)) main_~next~0.base) main_~next~0.offset))), 78051#(and (or (and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset main_~prev~0.offset)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset main_~prev~0.base)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 78050#(and (or (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~next~0.base) main_~next~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~next~0.base) main_~next~0.offset)) 0)) (not (= main_~next~0.base (select (select |#memory_$Pointer$.base| main_~next~0.base) main_~next~0.offset)))) (= 0 (select (select |#memory_$Pointer$.base| main_~next~0.base) main_~next~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~next~0.base) main_~next~0.offset))), 78053#(and (or (and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset main_~prev~0.offset)) main_~next~0.base) 0)) (= 0 (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset main_~prev~0.base)) main_~next~0.base) 0)) (not (= main_~x~0.base main_~next~0.base))) (= 0 main_~next~0.base)) (= 0 main_~next~0.offset)), 78052#(and (or (= 0 |main_#t~mem27.base|) (and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset main_~prev~0.offset)) |main_#t~mem27.base|) 0)) (not (= main_~x~0.base |main_#t~mem27.base|)) (= 0 (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset main_~prev~0.base)) |main_#t~mem27.base|) 0)))) (= 0 |main_#t~mem27.offset|)), 78055#(and (or (and (= 0 (select (select |#memory_$Pointer$.base| main_~next~0.base) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~next~0.base) 0))) (= 0 main_~next~0.base)) (= 0 main_~next~0.offset)), 78054#(and (= 0 main_~next~0.offset) (or (and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 4) main_~next~0.offset)) main_~next~0.base) 0)) (= 0 (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 4) main_~next~0.base)) main_~next~0.base) 0))) (= 0 main_~next~0.base))), 78057#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 78056#(and (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 main_~x~0.base)) (= 0 main_~x~0.offset)), 78059#(and (= 0 main_~next~0.offset) (= 0 main_~next~0.base)), 78058#(and (= 0 |main_#t~mem27.offset|) (= 0 |main_#t~mem27.base|)), 78060#(and (= 0 main_~x~0.base) (= 0 main_~x~0.offset))] [2018-02-04 03:40:19,103 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 10 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:40:19,103 INFO L409 AbstractCegarLoop]: Interpolant automaton has 40 states [2018-02-04 03:40:19,103 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2018-02-04 03:40:19,103 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=1431, Unknown=0, NotChecked=0, Total=1560 [2018-02-04 03:40:19,104 INFO L87 Difference]: Start difference. First operand 616 states and 688 transitions. Second operand 40 states. [2018-02-04 03:40:22,690 WARN L146 SmtUtils]: Spent 124ms on a formula simplification. DAG size of input: 98 DAG size of output 96 [2018-02-04 03:40:23,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:40:23,531 INFO L93 Difference]: Finished difference Result 809 states and 897 transitions. [2018-02-04 03:40:23,531 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2018-02-04 03:40:23,531 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 78 [2018-02-04 03:40:23,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:40:23,532 INFO L225 Difference]: With dead ends: 809 [2018-02-04 03:40:23,532 INFO L226 Difference]: Without dead ends: 809 [2018-02-04 03:40:23,532 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2207 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=995, Invalid=7561, Unknown=0, NotChecked=0, Total=8556 [2018-02-04 03:40:23,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 809 states. [2018-02-04 03:40:23,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 809 to 623. [2018-02-04 03:40:23,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 623 states. [2018-02-04 03:40:23,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 623 states and 695 transitions. [2018-02-04 03:40:23,536 INFO L78 Accepts]: Start accepts. Automaton has 623 states and 695 transitions. Word has length 78 [2018-02-04 03:40:23,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:40:23,536 INFO L432 AbstractCegarLoop]: Abstraction has 623 states and 695 transitions. [2018-02-04 03:40:23,536 INFO L433 AbstractCegarLoop]: Interpolant automaton has 40 states. [2018-02-04 03:40:23,536 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 695 transitions. [2018-02-04 03:40:23,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-02-04 03:40:23,537 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:40:23,537 INFO L351 BasicCegarLoop]: trace histogram [3, 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, 1] [2018-02-04 03:40:23,537 INFO L371 AbstractCegarLoop]: === Iteration 87 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:40:23,537 INFO L82 PathProgramCache]: Analyzing trace with hash -54426358, now seen corresponding path program 1 times [2018-02-04 03:40:23,537 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:40:23,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:40:23,545 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:40:23,886 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:40:23,886 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:40:23,886 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-02-04 03:40:23,886 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:40:23,887 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 03:40:23,887 INFO L182 omatonBuilderFactory]: Interpolants [79617#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 79616#(and (= 0 (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 4) main_~next~0.base)) (select (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 4) main_~next~0.base) main_~x~0.offset)) (select (store (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 4) main_~next~0.offset) main_~x~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 4) main_~next~0.offset)) (select (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 4) main_~next~0.base) main_~x~0.offset)) (select (store (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 4) main_~next~0.offset) main_~x~0.offset)))), 79619#(and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem34.base|) |main_#t~mem34.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem34.base|) |main_#t~mem34.offset|))), 79618#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~prev~0.base) main_~prev~0.offset)) (select (select |#memory_$Pointer$.offset| main_~prev~0.base) main_~prev~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~prev~0.base) main_~prev~0.offset)) (select (select |#memory_$Pointer$.offset| main_~prev~0.base) main_~prev~0.offset)))), 79621#(and (= 0 |main_#t~mem35.offset|) (= 0 |main_#t~mem35.base|)), 79620#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 79622#(and (= 0 main_~x~0.base) (= 0 main_~x~0.offset)), 79599#true, 79601#(= 1 (select |#valid| main_~head~0.base)), 79600#false, 79603#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 79602#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 79605#(and (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~head~0.offset)))), 79604#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base)), 79607#(and (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)))), 79606#(and (not (= main_~head~0.base |main_#t~mem9.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 79609#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base)), 79608#(not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 79611#(and (= 0 main_~prev~0.offset) (= 0 main_~prev~0.base) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 79610#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem25.base| main_~head~0.base))), 79613#(and (= 0 main_~prev~0.offset) (= 0 main_~prev~0.base) (not (= main_~x~0.base main_~next~0.base))), 79612#(and (= 0 main_~prev~0.offset) (= 0 main_~prev~0.base) (not (= main_~x~0.base |main_#t~mem27.base|))), 79615#(and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset main_~prev~0.offset)) main_~prev~0.base) main_~prev~0.offset)) (= 0 (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset main_~prev~0.base)) main_~prev~0.base) main_~prev~0.offset)) (not (= main_~x~0.base main_~prev~0.base))), 79614#(and (= 0 (select (store (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 4) main_~next~0.offset) main_~x~0.offset)) (= 0 (select (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 4) main_~next~0.base) main_~x~0.offset)) (not (= main_~x~0.base main_~next~0.base)))] [2018-02-04 03:40:23,887 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:40:23,887 INFO L409 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-02-04 03:40:23,887 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-02-04 03:40:23,888 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=497, Unknown=0, NotChecked=0, Total=552 [2018-02-04 03:40:23,888 INFO L87 Difference]: Start difference. First operand 623 states and 695 transitions. Second operand 24 states. [2018-02-04 03:40:25,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:40:25,010 INFO L93 Difference]: Finished difference Result 702 states and 777 transitions. [2018-02-04 03:40:25,010 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-02-04 03:40:25,010 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 79 [2018-02-04 03:40:25,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:40:25,011 INFO L225 Difference]: With dead ends: 702 [2018-02-04 03:40:25,011 INFO L226 Difference]: Without dead ends: 702 [2018-02-04 03:40:25,011 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 5 SyntacticMatches, 5 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 407 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=231, Invalid=2025, Unknown=0, NotChecked=0, Total=2256 [2018-02-04 03:40:25,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 702 states. [2018-02-04 03:40:25,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 702 to 637. [2018-02-04 03:40:25,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 637 states. [2018-02-04 03:40:25,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 709 transitions. [2018-02-04 03:40:25,014 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 709 transitions. Word has length 79 [2018-02-04 03:40:25,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:40:25,014 INFO L432 AbstractCegarLoop]: Abstraction has 637 states and 709 transitions. [2018-02-04 03:40:25,014 INFO L433 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-02-04 03:40:25,015 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 709 transitions. [2018-02-04 03:40:25,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-02-04 03:40:25,015 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:40:25,015 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] [2018-02-04 03:40:25,015 INFO L371 AbstractCegarLoop]: === Iteration 88 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:40:25,015 INFO L82 PathProgramCache]: Analyzing trace with hash 702533756, now seen corresponding path program 1 times [2018-02-04 03:40:25,016 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:40:25,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:40:25,025 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:40:25,071 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-02-04 03:40:25,071 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:40:25,071 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-02-04 03:40:25,071 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:40:25,072 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 03:40:25,072 INFO L182 omatonBuilderFactory]: Interpolants [81011#false, 81010#true, 81013#(or (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0)) (not |main_#t~short14|)), 81012#(and (= |main_#t~mem12.offset| (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= |main_#t~mem12.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 81015#(or (not (= 0 |main_#t~mem17.base|)) (not (= |main_#t~mem17.offset| 0))), 81014#(or (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0)))] [2018-02-04 03:40:25,072 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-02-04 03:40:25,072 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 03:40:25,072 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 03:40:25,072 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-02-04 03:40:25,072 INFO L87 Difference]: Start difference. First operand 637 states and 709 transitions. Second operand 6 states. [2018-02-04 03:40:25,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:40:25,176 INFO L93 Difference]: Finished difference Result 639 states and 702 transitions. [2018-02-04 03:40:25,176 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-02-04 03:40:25,177 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 80 [2018-02-04 03:40:25,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:40:25,177 INFO L225 Difference]: With dead ends: 639 [2018-02-04 03:40:25,177 INFO L226 Difference]: Without dead ends: 639 [2018-02-04 03:40:25,177 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2018-02-04 03:40:25,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 639 states. [2018-02-04 03:40:25,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 639 to 636. [2018-02-04 03:40:25,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 636 states. [2018-02-04 03:40:25,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 636 states and 701 transitions. [2018-02-04 03:40:25,180 INFO L78 Accepts]: Start accepts. Automaton has 636 states and 701 transitions. Word has length 80 [2018-02-04 03:40:25,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:40:25,180 INFO L432 AbstractCegarLoop]: Abstraction has 636 states and 701 transitions. [2018-02-04 03:40:25,180 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 03:40:25,180 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 701 transitions. [2018-02-04 03:40:25,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-02-04 03:40:25,181 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:40:25,181 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] [2018-02-04 03:40:25,181 INFO L371 AbstractCegarLoop]: === Iteration 89 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:40:25,181 INFO L82 PathProgramCache]: Analyzing trace with hash 193060666, now seen corresponding path program 3 times [2018-02-04 03:40:25,181 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:40:25,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:40:25,191 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:40:25,638 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-02-04 03:40:25,638 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:40:25,638 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-02-04 03:40:25,638 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:40:25,638 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 03:40:25,638 INFO L182 omatonBuilderFactory]: Interpolants [82305#(and (<= main_~x~0.offset 0) (= 1 (select |#valid| main_~x~0.base)) (not (= 0 main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 82304#(and (= 1 (select |#valid| main_~x~0.base)) (not (= 0 main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.offset 0) (= main_~x~0.base main_~head~0.base)), 82307#(or (and (or (<= (+ main_~x~0.offset 8) 0) (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (and (not (= (+ main_~x~0.offset 8) main_~head~0.offset)) (not (= main_~x~0.offset main_~head~0.offset)) (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)))) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)) (and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)))), 82306#(and (<= main_~head~0.offset 0) (= (select |#valid| main_~head~0.base) 1) (not (= 0 main_~head~0.base)) (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 82309#(and (or (and (= main_~x~0.base main_~head~0.base) (or |main_#t~short14| (and (not (= (+ main_~x~0.offset 8) main_~head~0.offset)) (not (= main_~x~0.offset main_~head~0.offset)) (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))))) (and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)))) (= 1 (select |#valid| main_~x~0.base))), 82308#(and (= 1 (select |#valid| main_~x~0.base)) (or (and (or (not (= 0 |main_#t~mem12.base|)) (and (not (= (+ main_~x~0.offset 8) main_~head~0.offset)) (not (= main_~x~0.offset main_~head~0.offset)) (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)))) (= main_~x~0.base main_~head~0.base)) (and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base))))), 82311#(and (= 1 (select |#valid| main_~x~0.base)) (or (and (not (= main_~x~0.offset main_~head~0.offset)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base))))), 82310#(and (or (and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base))) (and (not (= (+ main_~x~0.offset 8) main_~head~0.offset)) (not (= main_~x~0.offset main_~head~0.offset)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~x~0.base))), 82313#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (or (and (= main_~x~0.base main_~head~0.base) (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))))), 82312#(and (not (= main_~head~0.base |main_#t~malloc18.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc18.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base |main_#t~malloc18.base|))), 82315#(or (and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))))), 82314#(and (or (and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))))) (not (= main_~x~0.base |main_#t~mem20.base|))), 82317#(or (and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))) (and (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base main_~head~0.base)))), 82316#(or (and (not (= main_~head~0.base |main_#t~mem22.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))) (and (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~mem22.base|)))), 82319#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 82318#(or (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 82321#(= 1 (select |#valid| main_~next~0.base)), 82320#(= 1 (select |#valid| |main_#t~mem27.base|)), 82322#(= 1 (select |#valid| main_~x~0.base)), 82299#false, 82298#true, 82301#(and (= 0 main_~head~0.offset) (not (= 0 main_~head~0.base))), 82300#(and (not (= 0 |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|)), 82303#(and (not (= 0 main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.offset 0) (= main_~x~0.base main_~head~0.base)), 82302#(and (= 0 main_~head~0.offset) (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)))] [2018-02-04 03:40:25,639 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-02-04 03:40:25,639 INFO L409 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-02-04 03:40:25,639 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-02-04 03:40:25,639 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=529, Unknown=0, NotChecked=0, Total=600 [2018-02-04 03:40:25,639 INFO L87 Difference]: Start difference. First operand 636 states and 701 transitions. Second operand 25 states. [2018-02-04 03:40:27,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:40:27,228 INFO L93 Difference]: Finished difference Result 756 states and 830 transitions. [2018-02-04 03:40:27,228 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-02-04 03:40:27,228 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 80 [2018-02-04 03:40:27,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:40:27,228 INFO L225 Difference]: With dead ends: 756 [2018-02-04 03:40:27,229 INFO L226 Difference]: Without dead ends: 756 [2018-02-04 03:40:27,229 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 439 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=411, Invalid=2139, Unknown=0, NotChecked=0, Total=2550 [2018-02-04 03:40:27,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 756 states. [2018-02-04 03:40:27,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 756 to 672. [2018-02-04 03:40:27,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 672 states. [2018-02-04 03:40:27,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 740 transitions. [2018-02-04 03:40:27,232 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 740 transitions. Word has length 80 [2018-02-04 03:40:27,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:40:27,232 INFO L432 AbstractCegarLoop]: Abstraction has 672 states and 740 transitions. [2018-02-04 03:40:27,232 INFO L433 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-02-04 03:40:27,232 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 740 transitions. [2018-02-04 03:40:27,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-02-04 03:40:27,233 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:40:27,233 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] [2018-02-04 03:40:27,233 INFO L371 AbstractCegarLoop]: === Iteration 90 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:40:27,233 INFO L82 PathProgramCache]: Analyzing trace with hash 193060667, now seen corresponding path program 3 times [2018-02-04 03:40:27,233 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:40:27,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:40:27,246 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:40:27,979 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:40:27,979 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:40:27,980 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-02-04 03:40:27,980 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:40:27,980 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 03:40:27,980 INFO L182 omatonBuilderFactory]: Interpolants [83803#true, 83805#(= 1 (select |#valid| main_~head~0.base)), 83804#false, 83807#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 83806#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 83809#(and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= (select |#valid| main_~x~0.base) 1)), 83808#(and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 83811#(and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))), 83810#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.offset|) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~head~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 83813#(and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (not (= 0 |main_#t~malloc5.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset))), 83812#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 83815#(and (not (= 0 (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)))) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base |main_#t~mem7.base|))), 83814#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 83817#(and (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))), 83816#(and (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base |main_#t~mem9.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 83819#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~x~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 83818#(and (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 83821#(and (not (= main_~head~0.base |main_#t~mem15.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem15.base|) (not (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))) (= (select |#valid| main_~head~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 83820#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~x~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 83823#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (<= 0 main_~x~0.offset) (= (select |#valid| main_~head~0.base) 1) (not (= 0 |main_#t~mem12.base|)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 83822#(and (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 83825#(and (<= 0 main_~x~0.offset) (<= (select |#length| main_~x~0.base) 3)), 83824#|main_#t~short14|, 83827#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (<= 4 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 83826#(and (<= 4 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))), 83829#(and (= |main_#t~mem27.offset| (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (<= 4 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= |main_#t~mem27.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 83828#(and (<= 4 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 83831#(and (= 0 main_~next~0.offset) (<= 4 (select |#length| main_~next~0.base))), 83830#(and (= main_~next~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~next~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (<= 4 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 83832#(and (<= 4 (select |#length| main_~x~0.base)) (= 0 main_~x~0.offset))] [2018-02-04 03:40:27,980 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:40:27,980 INFO L409 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-02-04 03:40:27,980 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-02-04 03:40:27,980 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=787, Unknown=0, NotChecked=0, Total=870 [2018-02-04 03:40:27,981 INFO L87 Difference]: Start difference. First operand 672 states and 740 transitions. Second operand 30 states. [2018-02-04 03:40:29,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:40:29,547 INFO L93 Difference]: Finished difference Result 695 states and 762 transitions. [2018-02-04 03:40:29,548 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-02-04 03:40:29,548 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 80 [2018-02-04 03:40:29,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:40:29,548 INFO L225 Difference]: With dead ends: 695 [2018-02-04 03:40:29,548 INFO L226 Difference]: Without dead ends: 695 [2018-02-04 03:40:29,548 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 3 SyntacticMatches, 12 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 545 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=334, Invalid=2318, Unknown=0, NotChecked=0, Total=2652 [2018-02-04 03:40:29,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 695 states. [2018-02-04 03:40:29,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 695 to 672. [2018-02-04 03:40:29,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 672 states. [2018-02-04 03:40:29,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 739 transitions. [2018-02-04 03:40:29,552 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 739 transitions. Word has length 80 [2018-02-04 03:40:29,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:40:29,552 INFO L432 AbstractCegarLoop]: Abstraction has 672 states and 739 transitions. [2018-02-04 03:40:29,552 INFO L433 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-02-04 03:40:29,552 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 739 transitions. [2018-02-04 03:40:29,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-02-04 03:40:29,553 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:40:29,553 INFO L351 BasicCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1] [2018-02-04 03:40:29,553 INFO L371 AbstractCegarLoop]: === Iteration 91 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:40:29,553 INFO L82 PathProgramCache]: Analyzing trace with hash -2144755171, now seen corresponding path program 1 times [2018-02-04 03:40:29,553 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:40:29,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:40:29,559 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:40:29,915 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:40:29,916 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:40:29,916 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-02-04 03:40:29,916 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:40:29,916 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 03:40:29,916 INFO L182 omatonBuilderFactory]: Interpolants [85249#(and (= 1 (select |#valid| main_~x~0.base)) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 85248#(and (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 85251#(and (= 1 (select |#valid| main_~x~0.base)) (not (= 0 main_~x~0.base)) (= main_~x~0.offset 0)), 85250#(and (= 1 (select |#valid| main_~head~0.base)) (not (= 0 main_~head~0.base)) (= main_~head~0.offset 0)), 85253#(and (not (= 0 main_~prev~0.base)) (= main_~prev~0.offset 0) (= 1 (select |#valid| main_~prev~0.base)) (or (not (= 0 main_~x~0.offset)) (not (= 0 main_~x~0.base)))), 85252#(and (not (= 0 main_~prev~0.base)) (= main_~prev~0.offset 0) (= 1 (select |#valid| main_~prev~0.base))), 85255#(and (or (not (= 0 main_~prev~0.offset)) (not (= 0 main_~prev~0.base))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~prev~0.base) main_~prev~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~prev~0.base) main_~prev~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~prev~0.base) main_~prev~0.offset) 0)), 85254#(and (= (select (store (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 4) main_~next~0.offset) main_~x~0.offset) 0) (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 4) main_~next~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 4) main_~next~0.base) main_~x~0.offset))) (or (not (= 0 main_~x~0.offset)) (not (= 0 main_~x~0.base)))), 85257#(and (= |main_#t~mem34.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem34.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (or (not (= 0 main_~head~0.offset)) (not (= 0 main_~head~0.base))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0)), 85256#(and (or (not (= 0 main_~head~0.offset)) (not (= 0 main_~head~0.base))) (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0)), 85259#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem35.base|) (or (not (= 0 main_~head~0.offset)) (not (= 0 main_~head~0.base))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0)), 85258#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (or (not (= 0 main_~head~0.offset)) (not (= 0 main_~head~0.base))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0)), 85261#(and (or (not (= 0 main_~head~0.offset)) (not (= 0 main_~head~0.base))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 85260#(and (or (not (= 0 main_~head~0.offset)) (not (= 0 main_~head~0.base))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) main_~x~0.base) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0)), 85263#(or (and (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset)) (and (or (not (= 0 main_~head~0.offset)) (not (= 0 main_~head~0.base))) (= 1 (select (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))))), 85262#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (or (not (= 0 main_~x~0.offset)) (not (= 0 main_~x~0.base)))), 85265#(or (not (= 0 main_~head~0.offset)) (and (= 1 (select (store |#valid| main_~head~0.base 0) main_~x~0.base)) (not (= 0 main_~head~0.base)))), 85264#(or (and (= 1 (select (store |#valid| main_~head~0.base 0) |main_#t~mem36.base|)) (not (= 0 main_~head~0.base))) (not (= 0 main_~head~0.offset))), 85266#(= 1 (select |#valid| main_~x~0.base)), 85245#false, 85244#true, 85247#(and (not (= 0 main_~head~0.base)) (= main_~head~0.offset 0)), 85246#(and (not (= 0 |main_#t~malloc0.base|)) (= |main_#t~malloc0.offset| 0))] [2018-02-04 03:40:29,916 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:40:29,916 INFO L409 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-02-04 03:40:29,916 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-02-04 03:40:29,917 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=452, Unknown=0, NotChecked=0, Total=506 [2018-02-04 03:40:29,917 INFO L87 Difference]: Start difference. First operand 672 states and 739 transitions. Second operand 23 states. [2018-02-04 03:40:31,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:40:31,484 INFO L93 Difference]: Finished difference Result 795 states and 848 transitions. [2018-02-04 03:40:31,484 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-02-04 03:40:31,484 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 81 [2018-02-04 03:40:31,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:40:31,485 INFO L225 Difference]: With dead ends: 795 [2018-02-04 03:40:31,485 INFO L226 Difference]: Without dead ends: 795 [2018-02-04 03:40:31,485 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 630 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=351, Invalid=2405, Unknown=0, NotChecked=0, Total=2756 [2018-02-04 03:40:31,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 795 states. [2018-02-04 03:40:31,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 795 to 686. [2018-02-04 03:40:31,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 686 states. [2018-02-04 03:40:31,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 686 states and 757 transitions. [2018-02-04 03:40:31,489 INFO L78 Accepts]: Start accepts. Automaton has 686 states and 757 transitions. Word has length 81 [2018-02-04 03:40:31,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:40:31,489 INFO L432 AbstractCegarLoop]: Abstraction has 686 states and 757 transitions. [2018-02-04 03:40:31,489 INFO L433 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-02-04 03:40:31,489 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 757 transitions. [2018-02-04 03:40:31,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-02-04 03:40:31,490 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:40:31,490 INFO L351 BasicCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1] [2018-02-04 03:40:31,490 INFO L371 AbstractCegarLoop]: === Iteration 92 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:40:31,490 INFO L82 PathProgramCache]: Analyzing trace with hash -2144755170, now seen corresponding path program 1 times [2018-02-04 03:40:31,490 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:40:31,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:40:31,496 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:40:31,648 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:40:31,648 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:40:31,648 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-02-04 03:40:31,648 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:40:31,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:40:31,649 INFO L182 omatonBuilderFactory]: Interpolants [86817#(and (= |main_#t~mem31.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 86816#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 86819#(and (<= 4 (select |#length| |main_#t~mem34.base|)) (= |main_#t~mem34.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 86818#(and (= main_~x~0.offset main_~head~0.offset) (<= 4 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 86821#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (<= 4 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 86820#(and (<= 4 (select |#length| main_~x~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 86823#(and (<= 4 (select |#length| |main_#t~mem36.base|)) (= 0 |main_#t~mem36.offset|)), 86822#(and (<= 4 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 86824#(and (<= 4 (select |#length| main_~x~0.base)) (= 0 main_~x~0.offset)), 86809#false, 86808#true, 86811#(= 0 main_~head~0.offset), 86810#(= 0 |main_#t~malloc0.offset|), 86813#(= 0 main_~prev~0.offset), 86812#(= 0 main_~x~0.offset), 86815#(= 0 (select (select |#memory_$Pointer$.offset| main_~prev~0.base) main_~prev~0.offset)), 86814#(= 0 (select (store (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 4) main_~next~0.offset) main_~x~0.offset))] [2018-02-04 03:40:31,649 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:40:31,649 INFO L409 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-02-04 03:40:31,649 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-02-04 03:40:31,649 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2018-02-04 03:40:31,649 INFO L87 Difference]: Start difference. First operand 686 states and 757 transitions. Second operand 17 states. [2018-02-04 03:40:32,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:40:32,703 INFO L93 Difference]: Finished difference Result 861 states and 921 transitions. [2018-02-04 03:40:32,703 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2018-02-04 03:40:32,703 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 81 [2018-02-04 03:40:32,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:40:32,704 INFO L225 Difference]: With dead ends: 861 [2018-02-04 03:40:32,704 INFO L226 Difference]: Without dead ends: 861 [2018-02-04 03:40:32,704 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 842 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=748, Invalid=2674, Unknown=0, NotChecked=0, Total=3422 [2018-02-04 03:40:32,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 861 states. [2018-02-04 03:40:32,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 861 to 747. [2018-02-04 03:40:32,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 747 states. [2018-02-04 03:40:32,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 747 states and 841 transitions. [2018-02-04 03:40:32,708 INFO L78 Accepts]: Start accepts. Automaton has 747 states and 841 transitions. Word has length 81 [2018-02-04 03:40:32,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:40:32,708 INFO L432 AbstractCegarLoop]: Abstraction has 747 states and 841 transitions. [2018-02-04 03:40:32,708 INFO L433 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-02-04 03:40:32,708 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 841 transitions. [2018-02-04 03:40:32,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-02-04 03:40:32,709 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:40:32,709 INFO L351 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 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 03:40:32,709 INFO L371 AbstractCegarLoop]: === Iteration 93 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:40:32,709 INFO L82 PathProgramCache]: Analyzing trace with hash 1433590962, now seen corresponding path program 3 times [2018-02-04 03:40:32,710 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:40:32,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:40:32,720 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:40:33,470 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:40:33,470 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:40:33,470 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-02-04 03:40:33,470 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:40:33,470 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 03:40:33,471 INFO L182 omatonBuilderFactory]: Interpolants [88517#true, 88519#(= 1 (select |#valid| main_~head~0.base)), 88518#false, 88521#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 88520#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 88523#(and (= main_~x~0.offset main_~head~0.offset) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= (select |#valid| main_~x~0.base) 1)), 88522#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= (select |#valid| main_~x~0.base) 1)), 88525#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= main_~x~0.offset 0) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))), 88524#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.offset|) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~head~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 88527#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (not (= main_~head~0.base main_~x~0.base)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (= main_~x~0.offset 0) (= 12 (select |#length| |main_#t~malloc5.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset))), 88526#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset 0) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 88529#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base main_~x~0.base)) (= main_~x~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem7.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 88528#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 88531#(and (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))), 88530#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base |main_#t~mem9.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 88533#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 88532#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 88535#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 88534#(and (= |main_#t~mem25.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem25.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (+ |main_#t~mem25.offset| 8) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem25.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= |main_#t~mem25.base| main_~head~0.base))), 88537#(and (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset main_~prev~0.base)) |main_#t~mem27.base|) |main_#t~mem27.offset|))) (not (= main_~x~0.base |main_#t~mem27.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset main_~prev~0.offset)) |main_#t~mem27.base|) |main_#t~mem27.offset|))), 88536#(and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset main_~prev~0.offset)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset main_~prev~0.base)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 88539#(and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 4) main_~next~0.offset)) main_~next~0.base) main_~next~0.offset)) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 4) main_~next~0.base)) main_~next~0.base) main_~next~0.offset)))), 88538#(and (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset main_~prev~0.base)) main_~next~0.base) main_~next~0.offset))) (not (= main_~x~0.base main_~next~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset main_~prev~0.offset)) main_~next~0.base) main_~next~0.offset))), 88541#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 88540#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~next~0.base) main_~next~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~next~0.base) main_~next~0.offset)))), 88543#(and (= 12 (select |#length| main_~next~0.base)) (= 0 main_~next~0.offset)), 88542#(and (= 0 |main_#t~mem27.offset|) (= 12 (select |#length| |main_#t~mem27.base|))), 88545#(and (= 12 (select |#length| main_~prev~0.base)) (<= 0 main_~prev~0.offset) (<= main_~prev~0.offset 0)), 88544#(and (= 12 (select |#length| main_~x~0.base)) (= 0 main_~x~0.offset))] [2018-02-04 03:40:33,471 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:40:33,471 INFO L409 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-02-04 03:40:33,471 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-02-04 03:40:33,471 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=732, Unknown=0, NotChecked=0, Total=812 [2018-02-04 03:40:33,471 INFO L87 Difference]: Start difference. First operand 747 states and 841 transitions. Second operand 29 states. [2018-02-04 03:40:35,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:40:35,438 INFO L93 Difference]: Finished difference Result 966 states and 1088 transitions. [2018-02-04 03:40:35,439 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-02-04 03:40:35,439 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 81 [2018-02-04 03:40:35,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:40:35,440 INFO L225 Difference]: With dead ends: 966 [2018-02-04 03:40:35,440 INFO L226 Difference]: Without dead ends: 966 [2018-02-04 03:40:35,440 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 2 SyntacticMatches, 9 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 546 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=267, Invalid=2385, Unknown=0, NotChecked=0, Total=2652 [2018-02-04 03:40:35,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 966 states. [2018-02-04 03:40:35,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 966 to 760. [2018-02-04 03:40:35,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 760 states. [2018-02-04 03:40:35,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 760 states and 855 transitions. [2018-02-04 03:40:35,444 INFO L78 Accepts]: Start accepts. Automaton has 760 states and 855 transitions. Word has length 81 [2018-02-04 03:40:35,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:40:35,444 INFO L432 AbstractCegarLoop]: Abstraction has 760 states and 855 transitions. [2018-02-04 03:40:35,444 INFO L433 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-02-04 03:40:35,444 INFO L276 IsEmpty]: Start isEmpty. Operand 760 states and 855 transitions. [2018-02-04 03:40:35,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-02-04 03:40:35,445 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:40:35,445 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-02-04 03:40:35,445 INFO L371 AbstractCegarLoop]: === Iteration 94 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:40:35,445 INFO L82 PathProgramCache]: Analyzing trace with hash -874455116, now seen corresponding path program 2 times [2018-02-04 03:40:35,446 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:40:35,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:40:35,460 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:40:36,360 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:40:36,360 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:40:36,360 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-02-04 03:40:36,360 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:40:36,360 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 03:40:36,361 INFO L182 omatonBuilderFactory]: Interpolants [90319#false, 90318#true, 90321#(and (= 0 main_~head~0.offset) (= (select |#length| main_~head~0.base) 12)), 90320#(and (= 0 |main_#t~malloc0.offset|) (= 12 (select |#length| |main_#t~malloc0.base|))), 90323#(and (= 0 main_~head~0.offset) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1) (= (select |#length| main_~x~0.base) 12)), 90322#(and (= 0 main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= (select |#length| main_~head~0.base) 12)), 90325#(and (= 0 main_~head~0.offset) (= (select |#length| main_~x~0.base) (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| main_~x~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) main_~head~0.offset) (= main_~x~0.offset main_~head~0.offset) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 90324#(and (= 0 main_~head~0.offset) (= 12 (select |#length| main_~x~0.base)) (= (select |#length| main_~x~0.base) (select |#length| |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= |main_#t~malloc5.offset| main_~head~0.offset) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 90327#(and (= 0 main_~head~0.offset) (= |main_#t~mem9.offset| main_~head~0.offset) (= 12 (select |#length| main_~head~0.base)) (= |main_#t~mem9.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~head~0.base) 1) (= (select |#length| main_~head~0.base) (select |#length| |main_#t~mem9.base|))), 90326#(and (= 0 main_~head~0.offset) (= (select |#length| main_~x~0.base) (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| main_~x~0.base)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) main_~head~0.offset) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= (select |#valid| main_~x~0.base) 1)), 90329#(and (= 0 main_~head~0.offset) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~head~0.base)) (= 1 (select |#valid| main_~x~0.base)) (= (select |#length| main_~head~0.base) (select |#length| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base))), 90328#(and (= 0 main_~head~0.offset) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~head~0.base)) (= (select |#length| main_~head~0.base) (select |#length| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)))), 90331#(and (= 0 main_~head~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~head~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#length| main_~head~0.base) (select |#length| main_~x~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 90330#(and (= 0 main_~head~0.offset) (= 12 (select |#length| main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= (select |#length| main_~head~0.base) (select |#length| main_~x~0.base)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| |main_#t~malloc5.base|))), 90333#(and (= 0 main_~head~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) main_~head~0.offset))) (= 12 (select |#length| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= (select |#length| main_~head~0.base) (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) main_~head~0.offset)))), 90332#(and (= 0 main_~head~0.offset) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~head~0.base)) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~head~0.offset))) (= (select |#length| main_~head~0.base) (select |#length| main_~x~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem7.base|)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~head~0.offset)))), 90335#(and (= 0 main_~head~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) main_~head~0.offset))) (= 12 (select |#length| main_~head~0.base)) (= (select |#length| main_~head~0.base) (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) main_~head~0.offset)))), 90334#(and (= 0 main_~head~0.offset) (= 12 (select |#length| main_~head~0.base)) (= (select |#length| main_~head~0.base) (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) main_~head~0.offset))) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) main_~head~0.offset)))), 90337#(and (= 0 main_~head~0.offset) (= 12 (select |#length| main_~head~0.base)) (not (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) main_~head~0.offset))) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem15.base|) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) main_~head~0.offset))) (= |main_#t~mem15.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#length| main_~head~0.base) (select |#length| |main_#t~mem15.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) main_~head~0.offset)))), 90336#(and (= 0 main_~head~0.offset) (= 12 (select |#length| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= (select |#length| main_~head~0.base) (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) main_~head~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) main_~head~0.offset)))), 90339#(and (= 0 main_~head~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (<= 0 main_~x~0.offset) (= (select |#length| main_~x~0.base) 12)), 90338#(and (= 0 main_~head~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= (select |#length| main_~x~0.base) 12)), 90341#(and (= 0 main_~head~0.offset) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem25.base| main_~head~0.base)) (not (= |main_#t~mem25.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 90340#(and (= 0 main_~head~0.offset) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (<= (+ main_~x~0.offset 12) (select |#length| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (<= 0 main_~x~0.offset) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#length| main_~x~0.base) 12)), 90343#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset main_~prev~0.base)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= 0 main_~x~0.offset)), 90342#(and (= 0 main_~head~0.offset) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 90345#(and (= main_~x~0.offset 0) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset main_~prev~0.base)) main_~next~0.base) main_~next~0.offset))) (not (= main_~x~0.base main_~next~0.base))), 90344#(and (not (= main_~x~0.base |main_#t~mem27.base|)) (= main_~x~0.offset 0) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset main_~prev~0.base)) |main_#t~mem27.base|) |main_#t~mem27.offset|)))), 90347#(and (= main_~x~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~next~0.base) main_~next~0.offset)))), 90346#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 4) main_~next~0.base)) main_~next~0.base) main_~next~0.offset))) (= main_~x~0.offset 0)), 90349#(= 1 (select |#valid| |main_#t~mem27.base|)), 90348#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 90351#(= 1 (select |#valid| main_~x~0.base)), 90350#(= 1 (select |#valid| main_~next~0.base))] [2018-02-04 03:40:36,361 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:40:36,361 INFO L409 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-02-04 03:40:36,361 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-02-04 03:40:36,361 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=1014, Unknown=0, NotChecked=0, Total=1122 [2018-02-04 03:40:36,361 INFO L87 Difference]: Start difference. First operand 760 states and 855 transitions. Second operand 34 states. [2018-02-04 03:40:38,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:40:38,842 INFO L93 Difference]: Finished difference Result 988 states and 1135 transitions. [2018-02-04 03:40:38,842 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-02-04 03:40:38,842 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 81 [2018-02-04 03:40:38,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:40:38,843 INFO L225 Difference]: With dead ends: 988 [2018-02-04 03:40:38,843 INFO L226 Difference]: Without dead ends: 988 [2018-02-04 03:40:38,843 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 5 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1134 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=658, Invalid=4172, Unknown=0, NotChecked=0, Total=4830 [2018-02-04 03:40:38,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 988 states. [2018-02-04 03:40:38,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 988 to 764. [2018-02-04 03:40:38,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 764 states. [2018-02-04 03:40:38,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 764 states and 861 transitions. [2018-02-04 03:40:38,847 INFO L78 Accepts]: Start accepts. Automaton has 764 states and 861 transitions. Word has length 81 [2018-02-04 03:40:38,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:40:38,847 INFO L432 AbstractCegarLoop]: Abstraction has 764 states and 861 transitions. [2018-02-04 03:40:38,847 INFO L433 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-02-04 03:40:38,847 INFO L276 IsEmpty]: Start isEmpty. Operand 764 states and 861 transitions. [2018-02-04 03:40:38,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-02-04 03:40:38,848 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:40:38,848 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-02-04 03:40:38,848 INFO L371 AbstractCegarLoop]: === Iteration 95 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:40:38,848 INFO L82 PathProgramCache]: Analyzing trace with hash -874455115, now seen corresponding path program 2 times [2018-02-04 03:40:38,848 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:40:38,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:40:38,868 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:40:39,989 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:40:39,989 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:40:39,989 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-02-04 03:40:39,989 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:40:39,989 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 03:40:39,990 INFO L182 omatonBuilderFactory]: Interpolants [92177#false, 92176#true, 92179#(= 0 main_~head~0.offset), 92178#(= 0 |main_#t~malloc0.offset|), 92181#(and (= 0 main_~head~0.offset) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 92180#(and (= 0 main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base))), 92183#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) main_~head~0.offset) (= main_~x~0.offset main_~head~0.offset) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 92182#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= |main_#t~malloc5.offset| 0) (= |main_#t~malloc5.offset| main_~head~0.offset) (= main_~x~0.offset main_~head~0.offset) (= 12 (select |#length| |main_#t~malloc5.base|)) (= main_~x~0.base main_~head~0.base)), 92185#(and (= |main_#t~mem9.offset| main_~head~0.offset) (= 12 (select |#length| |main_#t~mem9.base|)) (= |main_#t~mem9.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem9.offset| 0) (= (select |#valid| main_~head~0.base) 1)), 92184#(and (= 12 (select |#length| |main_#t~mem7.base|)) (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) main_~head~0.offset) (= main_~x~0.offset main_~head~0.offset) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= (select |#valid| main_~x~0.base) 1)), 92187#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.offset 0) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base))), 92186#(and (= 12 (select |#length| main_~x~0.base)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.offset 0) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)))), 92189#(and (= 0 main_~head~0.offset) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~x~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) 0))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 92188#(and (= 0 |main_#t~malloc5.offset|) (= 12 (select |#length| main_~x~0.base)) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.offset 0) (= 12 (select |#length| |main_#t~malloc5.base|)) (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset) main_~x~0.base)), 92191#(and (= 0 main_~head~0.offset) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem9.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) main_~head~0.offset))), 92190#(and (= 0 main_~head~0.offset) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~head~0.offset))) (= 12 (select |#length| main_~x~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) 0))) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem7.base|)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~head~0.offset)))), 92193#(and (= 0 main_~head~0.offset) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) main_~head~0.offset))), 92192#(and (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) main_~head~0.offset))) (= 0 main_~head~0.offset) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) main_~head~0.offset)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~x~0.base main_~head~0.base)) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) main_~head~0.offset))) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)))), 92195#(and (= 0 main_~head~0.offset) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) main_~head~0.offset))) (= 12 (select |#length| |main_#t~mem15.base|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) main_~head~0.offset)) (not (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) main_~head~0.offset))) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem15.base|) (= |main_#t~mem15.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) main_~head~0.offset)))), 92194#(and (= 0 main_~head~0.offset) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) main_~head~0.offset)) (= main_~x~0.offset main_~head~0.offset) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) main_~head~0.offset)))), 92197#(and (= 0 main_~head~0.offset) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (<= 0 main_~x~0.offset) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) 0))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) 0))) (= (select |#length| main_~x~0.base) 12)), 92196#(and (= 0 main_~head~0.offset) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) 0))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) 0))) (= (select |#length| main_~x~0.base) 12)), 92199#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 0 main_~head~0.offset) (<= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (or (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem25.base| main_~head~0.base)) (not (= |main_#t~mem25.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 92198#(and (= 0 main_~head~0.offset) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (<= (+ main_~x~0.offset 12) (select |#length| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (<= 0 main_~x~0.offset) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select |#length| main_~x~0.base) 12)), 92201#(and (<= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (or (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset main_~prev~0.offset)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (not (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset main_~prev~0.base)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 92200#(and (= 0 main_~head~0.offset) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (<= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (or (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 92203#(and (<= main_~next~0.offset 0) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset main_~prev~0.base)) main_~next~0.base) main_~next~0.offset))) (or (not (= main_~next~0.offset 0)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset main_~prev~0.offset)) main_~next~0.base) main_~next~0.offset))) (not (= main_~x~0.base main_~next~0.base))), 92202#(and (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset main_~prev~0.base)) |main_#t~mem27.base|) |main_#t~mem27.offset|))) (not (= main_~x~0.base |main_#t~mem27.base|)) (or (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset main_~prev~0.offset)) |main_#t~mem27.base|) |main_#t~mem27.offset|)) (not (= |main_#t~mem27.offset| 0))) (<= |main_#t~mem27.offset| 0)), 92205#(and (<= main_~next~0.offset 0) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~next~0.base) main_~next~0.offset))) (or (not (= main_~next~0.offset 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~next~0.base) main_~next~0.offset)))), 92204#(and (<= main_~next~0.offset 0) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 4) main_~next~0.base)) main_~next~0.base) main_~next~0.offset))) (or (not (= main_~next~0.offset 0)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 4) main_~next~0.offset)) main_~next~0.base) main_~next~0.offset)))), 92207#(and (= 0 |main_#t~mem27.offset|) (= 12 (select |#length| |main_#t~mem27.base|))), 92206#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (or (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (and (not (= main_~x~0.offset 0)) (<= main_~x~0.offset 0)))), 92209#(and (= (select |#length| main_~x~0.base) 12) (= 0 main_~x~0.offset)), 92208#(and (= 12 (select |#length| main_~next~0.base)) (= 0 main_~next~0.offset))] [2018-02-04 03:40:39,990 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:40:39,990 INFO L409 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-02-04 03:40:39,990 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-02-04 03:40:39,990 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=1003, Unknown=0, NotChecked=0, Total=1122 [2018-02-04 03:40:39,990 INFO L87 Difference]: Start difference. First operand 764 states and 861 transitions. Second operand 34 states. [2018-02-04 03:40:42,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:40:42,526 INFO L93 Difference]: Finished difference Result 1007 states and 1147 transitions. [2018-02-04 03:40:42,527 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-02-04 03:40:42,527 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 81 [2018-02-04 03:40:42,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:40:42,527 INFO L225 Difference]: With dead ends: 1007 [2018-02-04 03:40:42,528 INFO L226 Difference]: Without dead ends: 1007 [2018-02-04 03:40:42,528 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 3 SyntacticMatches, 7 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1115 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=585, Invalid=3971, Unknown=0, NotChecked=0, Total=4556 [2018-02-04 03:40:42,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1007 states. [2018-02-04 03:40:42,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1007 to 763. [2018-02-04 03:40:42,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 763 states. [2018-02-04 03:40:42,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 763 states and 859 transitions. [2018-02-04 03:40:42,532 INFO L78 Accepts]: Start accepts. Automaton has 763 states and 859 transitions. Word has length 81 [2018-02-04 03:40:42,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:40:42,532 INFO L432 AbstractCegarLoop]: Abstraction has 763 states and 859 transitions. [2018-02-04 03:40:42,532 INFO L433 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-02-04 03:40:42,532 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 859 transitions. [2018-02-04 03:40:42,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-02-04 03:40:42,533 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:40:42,533 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] [2018-02-04 03:40:42,533 INFO L371 AbstractCegarLoop]: === Iteration 96 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:40:42,533 INFO L82 PathProgramCache]: Analyzing trace with hash -1907539033, now seen corresponding path program 1 times [2018-02-04 03:40:42,533 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:40:42,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:40:42,545 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:40:43,324 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:40:43,324 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:40:43,325 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-02-04 03:40:43,325 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:40:43,325 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 03:40:43,325 INFO L182 omatonBuilderFactory]: Interpolants [94049#false, 94048#true, 94051#(and (= 1 (select |#valid| main_~head~0.base)) (= (select |#valid| 0) 0)), 94050#(= (select |#valid| 0) 0), 94053#(or (and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= (select |#valid| 0) 0) (not (= 0 |main_#t~malloc5.base|)) (= main_~x~0.base main_~head~0.base)) (= 1 (select |#valid| 0))), 94052#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= (select |#valid| 0) 0) (= main_~x~0.base main_~head~0.base)), 94055#(or (and (not (= 0 (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= (select |#valid| 0) 0) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|))) (= 1 (select |#valid| 0))), 94054#(or (and (= main_~x~0.offset main_~head~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= (select |#valid| 0) 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)) (= 1 (select |#valid| 0))), 94057#(or (and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (= (select |#valid| 0) 0) (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| 0))), 94056#(or (and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.offset|) (= 1 (select |#valid| main_~head~0.base)) (= (select |#valid| 0) 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| 0))), 94059#(or (= 1 (select |#valid| 0)) (and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset)) (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)))), 94058#(or (and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= (select |#valid| 0) 0) (not (= main_~x~0.base main_~head~0.base))) (= 1 (select |#valid| 0))), 94061#(or (= 1 (select |#valid| 0)) (and (not (= 0 (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem7.base|)))), 94060#(or (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))) (= 1 (select |#valid| 0))), 94063#(or (and (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| 0))), 94062#(or (= 1 (select |#valid| 0)) (and (not (= main_~head~0.base |main_#t~mem9.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 94065#(or (= 1 (select |#valid| 0)) (and (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= main_~x~0.base main_~head~0.base))), 94064#(or (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= 1 (select |#valid| 0))), 94067#(or (and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= 0 main_~x~0.base)) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))) (= 1 (select |#valid| 0))), 94066#(or (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))) (not (= main_~head~0.base |main_#t~mem15.base|)) (not (= 0 |main_#t~mem15.base|)) (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| 0))), 94069#(or (= 1 (select |#valid| 0)) (and (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))))), 94068#(or (and (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))) (= 1 (select |#valid| 0))), 94071#(or (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| 0))), 94070#(or (and (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem25.base| main_~head~0.base))) (= 1 (select |#valid| 0))), 94073#(and (= 0 main_~prev~0.base) (or (not (= 0 |main_#t~mem27.base|)) (= 1 (select |#valid| 0)))), 94072#(and (= 0 main_~prev~0.base) (or (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| 0)))), 94075#(and (or (not (= 0 main_~next~0.base)) (= 1 (select |#valid| 0))) (= 0 (select (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 4) main_~next~0.base) main_~x~0.offset))), 94074#(and (= 0 main_~prev~0.base) (or (not (= 0 main_~next~0.base)) (= 1 (select |#valid| 0)))), 94077#(and (= 1 (select |#valid| 0)) (= 0 (select (select |#memory_$Pointer$.base| main_~prev~0.base) main_~prev~0.offset))), 94076#(and (or (not (= 0 main_~x~0.base)) (= 1 (select |#valid| 0))) (= 0 (select (select |#memory_$Pointer$.base| main_~prev~0.base) main_~prev~0.offset))), 94079#(= 1 (select |#valid| |main_#t~mem31.base|)), 94078#(and (= 1 (select |#valid| 0)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))] [2018-02-04 03:40:43,325 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:40:43,325 INFO L409 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-02-04 03:40:43,325 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-02-04 03:40:43,326 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=857, Unknown=0, NotChecked=0, Total=992 [2018-02-04 03:40:43,326 INFO L87 Difference]: Start difference. First operand 763 states and 859 transitions. Second operand 32 states. [2018-02-04 03:40:45,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:40:45,526 INFO L93 Difference]: Finished difference Result 777 states and 872 transitions. [2018-02-04 03:40:45,526 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-02-04 03:40:45,526 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 81 [2018-02-04 03:40:45,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:40:45,526 INFO L225 Difference]: With dead ends: 777 [2018-02-04 03:40:45,527 INFO L226 Difference]: Without dead ends: 777 [2018-02-04 03:40:45,527 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 6 SyntacticMatches, 4 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 787 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=491, Invalid=3415, Unknown=0, NotChecked=0, Total=3906 [2018-02-04 03:40:45,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 777 states. [2018-02-04 03:40:45,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 777 to 763. [2018-02-04 03:40:45,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 763 states. [2018-02-04 03:40:45,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 763 states and 858 transitions. [2018-02-04 03:40:45,530 INFO L78 Accepts]: Start accepts. Automaton has 763 states and 858 transitions. Word has length 81 [2018-02-04 03:40:45,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:40:45,530 INFO L432 AbstractCegarLoop]: Abstraction has 763 states and 858 transitions. [2018-02-04 03:40:45,531 INFO L433 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-02-04 03:40:45,531 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 858 transitions. [2018-02-04 03:40:45,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-02-04 03:40:45,531 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:40:45,531 INFO L351 BasicCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:40:45,531 INFO L371 AbstractCegarLoop]: === Iteration 97 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:40:45,531 INFO L82 PathProgramCache]: Analyzing trace with hash -2062902241, now seen corresponding path program 1 times [2018-02-04 03:40:45,532 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:40:45,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:40:45,537 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:40:45,590 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-02-04 03:40:45,590 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:40:45,590 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2018-02-04 03:40:45,590 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:40:45,591 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 03:40:45,591 INFO L182 omatonBuilderFactory]: Interpolants [95683#false, 95682#true, 95685#(not (= 0 main_~head~0.base)), 95684#(not (= 0 |main_#t~malloc0.base|)), 95687#(not (= 0 main_~prev~0.base)), 95686#(not (= 0 main_~x~0.base)), 95689#(not (= 0 (select (select |#memory_$Pointer$.base| main_~prev~0.base) main_~prev~0.offset))), 95688#(not (= 0 (select (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 4) main_~next~0.base) main_~x~0.offset))), 95691#(not (= 0 |main_#t~mem36.base|)), 95690#(not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))] [2018-02-04 03:40:45,591 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-02-04 03:40:45,591 INFO L409 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-02-04 03:40:45,591 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-02-04 03:40:45,591 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-02-04 03:40:45,591 INFO L87 Difference]: Start difference. First operand 763 states and 858 transitions. Second operand 10 states. [2018-02-04 03:40:45,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:40:45,893 INFO L93 Difference]: Finished difference Result 872 states and 951 transitions. [2018-02-04 03:40:45,893 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-02-04 03:40:45,893 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 82 [2018-02-04 03:40:45,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:40:45,893 INFO L225 Difference]: With dead ends: 872 [2018-02-04 03:40:45,893 INFO L226 Difference]: Without dead ends: 872 [2018-02-04 03:40:45,894 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=110, Invalid=396, Unknown=0, NotChecked=0, Total=506 [2018-02-04 03:40:45,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 872 states. [2018-02-04 03:40:45,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 872 to 795. [2018-02-04 03:40:45,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 795 states. [2018-02-04 03:40:45,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 795 states and 900 transitions. [2018-02-04 03:40:45,898 INFO L78 Accepts]: Start accepts. Automaton has 795 states and 900 transitions. Word has length 82 [2018-02-04 03:40:45,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:40:45,898 INFO L432 AbstractCegarLoop]: Abstraction has 795 states and 900 transitions. [2018-02-04 03:40:45,898 INFO L433 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-02-04 03:40:45,898 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 900 transitions. [2018-02-04 03:40:45,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-02-04 03:40:45,899 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:40:45,899 INFO L351 BasicCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1, 1] [2018-02-04 03:40:45,899 INFO L371 AbstractCegarLoop]: === Iteration 98 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:40:45,899 INFO L82 PathProgramCache]: Analyzing trace with hash 2081981078, now seen corresponding path program 1 times [2018-02-04 03:40:45,899 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:40:45,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:40:45,908 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:40:46,189 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:40:46,189 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:40:46,189 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-02-04 03:40:46,189 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:40:46,190 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 03:40:46,190 INFO L182 omatonBuilderFactory]: Interpolants [97409#(and (<= (+ main_~x~0.offset 12) (select |#length| main_~x~0.base)) (<= 0 main_~x~0.offset)), 97408#(and (<= (+ main_~head~0.offset 12) (select |#length| main_~head~0.base)) (<= 0 main_~head~0.offset)), 97385#true, 97387#(= 1 (select |#valid| main_~head~0.base)), 97386#false, 97389#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 97388#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 97391#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~head~0.offset)))), 97390#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base)), 97393#(and (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))), 97392#(and (not (= main_~head~0.base |main_#t~mem9.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 97395#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 97394#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 97397#(and (not (= |main_#t~mem25.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 97396#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base)), 97399#(= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)), 97398#(= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)), 97401#(and (= main_~next~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 97400#(and (= |main_#t~mem27.offset| (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 97403#(= 0 main_~x~0.offset), 97402#(= 0 main_~next~0.offset), 97405#(and (<= main_~head~0.offset 0) (<= 0 main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 97404#(and (<= 0 main_~prev~0.offset) (<= main_~prev~0.offset 0)), 97407#(and (<= (+ main_~head~0.offset 12) (select |#length| main_~x~0.base)) (<= 0 main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 97406#(and (<= 0 main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (<= (+ main_~x~0.offset main_~head~0.offset 12) (select |#length| main_~x~0.base)))] [2018-02-04 03:40:46,190 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:40:46,190 INFO L409 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-02-04 03:40:46,190 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-02-04 03:40:46,190 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=529, Unknown=0, NotChecked=0, Total=600 [2018-02-04 03:40:46,190 INFO L87 Difference]: Start difference. First operand 795 states and 900 transitions. Second operand 25 states. [2018-02-04 03:40:47,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:40:47,389 INFO L93 Difference]: Finished difference Result 883 states and 988 transitions. [2018-02-04 03:40:47,389 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-02-04 03:40:47,389 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 82 [2018-02-04 03:40:47,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:40:47,390 INFO L225 Difference]: With dead ends: 883 [2018-02-04 03:40:47,390 INFO L226 Difference]: Without dead ends: 883 [2018-02-04 03:40:47,390 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 621 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=401, Invalid=2569, Unknown=0, NotChecked=0, Total=2970 [2018-02-04 03:40:47,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 883 states. [2018-02-04 03:40:47,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 883 to 831. [2018-02-04 03:40:47,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 831 states. [2018-02-04 03:40:47,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 831 states and 945 transitions. [2018-02-04 03:40:47,394 INFO L78 Accepts]: Start accepts. Automaton has 831 states and 945 transitions. Word has length 82 [2018-02-04 03:40:47,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:40:47,394 INFO L432 AbstractCegarLoop]: Abstraction has 831 states and 945 transitions. [2018-02-04 03:40:47,394 INFO L433 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-02-04 03:40:47,394 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 945 transitions. [2018-02-04 03:40:47,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-02-04 03:40:47,394 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:40:47,394 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 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] [2018-02-04 03:40:47,394 INFO L371 AbstractCegarLoop]: === Iteration 99 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:40:47,395 INFO L82 PathProgramCache]: Analyzing trace with hash 413788009, now seen corresponding path program 4 times [2018-02-04 03:40:47,395 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:40:47,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:40:47,403 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:40:48,122 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:40:48,122 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:40:48,122 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2018-02-04 03:40:48,122 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:40:48,122 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 03:40:48,123 INFO L182 omatonBuilderFactory]: Interpolants [99201#(and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)))), 99200#(and (not (= main_~head~0.base |main_#t~mem22.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem22.base|) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem22.base|)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem22.offset|)), 99203#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 99202#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 99205#(and (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset main_~prev~0.base)) |main_#t~mem27.base|) |main_#t~mem27.offset|))) (= 0 (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset main_~prev~0.base)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset main_~prev~0.base)) |main_#t~mem27.base|) |main_#t~mem27.offset|)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset main_~prev~0.offset)) |main_#t~mem27.base|) |main_#t~mem27.offset|))) (not (= main_~x~0.base |main_#t~mem27.base|)) (= |main_#t~mem27.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset main_~prev~0.base)) |main_#t~mem27.base|) |main_#t~mem27.offset|))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset main_~prev~0.offset)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset main_~prev~0.base)) |main_#t~mem27.base|) |main_#t~mem27.offset|)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset main_~prev~0.offset)) |main_#t~mem27.base|) |main_#t~mem27.offset|)))), 99204#(and (= 0 (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset main_~prev~0.base)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset main_~prev~0.base)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset main_~prev~0.offset)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset main_~prev~0.base)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset main_~prev~0.offset)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset main_~prev~0.base)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset main_~prev~0.offset)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset main_~prev~0.base)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 99207#(and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 4) main_~next~0.offset)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 4) main_~next~0.base)) main_~next~0.base) main_~next~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 4) main_~next~0.offset)) main_~next~0.base) main_~next~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 4) main_~next~0.base)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 4) main_~next~0.base)) main_~next~0.base) main_~next~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 4) main_~next~0.offset)) main_~next~0.base) main_~next~0.offset))) (not (= main_~next~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 4) main_~next~0.base)) main_~next~0.base) main_~next~0.offset)))), 99206#(and (= 0 (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset main_~prev~0.base)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset main_~prev~0.base)) main_~next~0.base) main_~next~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset main_~prev~0.offset)) main_~next~0.base) main_~next~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset main_~prev~0.base)) main_~next~0.base) main_~next~0.offset))) (= main_~next~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset main_~prev~0.base)) main_~next~0.base) main_~next~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset main_~prev~0.offset)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset main_~prev~0.base)) main_~next~0.base) main_~next~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset main_~prev~0.offset)) main_~next~0.base) main_~next~0.offset))) (not (= main_~x~0.base main_~next~0.base))), 99209#(and (= 0 (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset main_~prev~0.base)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset main_~prev~0.offset)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 99208#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~next~0.base) main_~next~0.offset)) (select (select |#memory_$Pointer$.offset| main_~next~0.base) main_~next~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~next~0.base) main_~next~0.offset)) (select (select |#memory_$Pointer$.offset| main_~next~0.base) main_~next~0.offset))) (not (= main_~next~0.base (select (select |#memory_$Pointer$.base| main_~next~0.base) main_~next~0.offset)))), 99211#(and (= 0 (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset main_~prev~0.base)) main_~next~0.base) main_~next~0.offset)) (not (= main_~x~0.base main_~next~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset main_~prev~0.offset)) main_~next~0.base) main_~next~0.offset))), 99210#(and (= 0 (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset main_~prev~0.base)) |main_#t~mem27.base|) |main_#t~mem27.offset|)) (not (= main_~x~0.base |main_#t~mem27.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset main_~prev~0.offset)) |main_#t~mem27.base|) |main_#t~mem27.offset|))), 99213#(and (= 0 (select (select |#memory_$Pointer$.base| main_~next~0.base) main_~next~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~next~0.base) main_~next~0.offset))), 99212#(and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 4) main_~next~0.offset)) main_~next~0.base) main_~next~0.offset)) (= 0 (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 4) main_~next~0.base)) main_~next~0.base) main_~next~0.offset))), 99215#(and (= 0 |main_#t~mem27.offset|) (= 0 |main_#t~mem27.base|)), 99214#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 99217#(and (= 0 main_~x~0.base) (= 0 main_~x~0.offset)), 99216#(and (= 0 main_~next~0.offset) (= 0 main_~next~0.base)), 99185#false, 99184#true, 99187#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 99186#(= 1 (select |#valid| main_~head~0.base)), 99189#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) 1) (= (select |#valid| main_~x~0.base) 1)), 99188#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= (select |#valid| |main_#t~malloc5.base|) 1) (= main_~x~0.base main_~head~0.base)), 99191#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) 1) (= (select |#valid| main_~x~0.base) 1)), 99190#(and (= main_~x~0.offset main_~head~0.offset) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~head~0.offset)) 1) (= (select |#valid| main_~x~0.base) 1)), 99193#(and (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 1) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)))), 99192#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 1) (not (= main_~head~0.base |main_#t~mem9.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~head~0.base) 1)), 99195#(and (not (= main_~head~0.base |main_#t~mem15.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem15.base|) (= |main_#t~mem15.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (= (select |#valid| |main_#t~mem15.base|) 1)), 99194#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 1) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~head~0.base) 1)), 99197#(and (not (= main_~head~0.base |main_#t~malloc18.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc18.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base main_~x~0.base)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc18.offset|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base |main_#t~malloc18.base|))), 99196#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= (select |#valid| main_~x~0.base) 1)), 99199#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base main_~x~0.base)) (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem20.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem20.base|))), 99198#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))))] [2018-02-04 03:40:48,123 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:40:48,123 INFO L409 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-02-04 03:40:48,123 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-02-04 03:40:48,123 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=1027, Unknown=0, NotChecked=0, Total=1122 [2018-02-04 03:40:48,123 INFO L87 Difference]: Start difference. First operand 831 states and 945 transitions. Second operand 34 states. [2018-02-04 03:40:50,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:40:50,554 INFO L93 Difference]: Finished difference Result 910 states and 1035 transitions. [2018-02-04 03:40:50,554 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-02-04 03:40:50,554 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 82 [2018-02-04 03:40:50,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:40:50,554 INFO L225 Difference]: With dead ends: 910 [2018-02-04 03:40:50,554 INFO L226 Difference]: Without dead ends: 910 [2018-02-04 03:40:50,555 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 834 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=317, Invalid=3465, Unknown=0, NotChecked=0, Total=3782 [2018-02-04 03:40:50,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 910 states. [2018-02-04 03:40:50,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 910 to 838. [2018-02-04 03:40:50,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 838 states. [2018-02-04 03:40:50,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 952 transitions. [2018-02-04 03:40:50,559 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 952 transitions. Word has length 82 [2018-02-04 03:40:50,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:40:50,559 INFO L432 AbstractCegarLoop]: Abstraction has 838 states and 952 transitions. [2018-02-04 03:40:50,559 INFO L433 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-02-04 03:40:50,559 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 952 transitions. [2018-02-04 03:40:50,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-02-04 03:40:50,559 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:40:50,559 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-02-04 03:40:50,559 INFO L371 AbstractCegarLoop]: === Iteration 100 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:40:50,560 INFO L82 PathProgramCache]: Analyzing trace with hash -1576464045, now seen corresponding path program 6 times [2018-02-04 03:40:50,560 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:40:50,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:40:50,584 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:40:52,139 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:40:52,139 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:40:52,139 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2018-02-04 03:40:52,139 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:40:52,139 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 03:40:52,139 INFO L182 omatonBuilderFactory]: Interpolants [101057#(or (<= (+ main_~next~0.offset 1) 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~next~0.base) main_~next~0.offset)))), 101056#(or (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 4) main_~next~0.base)) main_~next~0.base) main_~next~0.offset))) (<= (+ main_~next~0.offset 1) 0)), 101059#(= 1 (select |#valid| |main_#t~mem27.base|)), 101058#(or (<= (+ main_~x~0.offset 1) 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 101061#(= 1 (select |#valid| main_~x~0.base)), 101060#(= 1 (select |#valid| main_~next~0.base)), 101023#false, 101022#true, 101025#(and (= (select |#length| main_~head~0.base) 12) (= main_~head~0.offset 0)), 101024#(and (= |main_#t~malloc0.offset| 0) (= 12 (select |#length| |main_#t~malloc0.base|))), 101027#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1) (= (select |#length| main_~x~0.base) 12)), 101026#(and (= 1 (select |#valid| main_~head~0.base)) (= (select |#length| main_~head~0.base) 12) (= main_~head~0.offset 0)), 101029#(and (= (select |#length| main_~x~0.base) (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1) (= (select |#length| main_~x~0.base) 12)), 101028#(and (= 0 |main_#t~malloc5.offset|) (= (select |#length| main_~x~0.base) (select |#length| |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#length| main_~x~0.base) 12)), 101031#(and (= 0 |main_#t~mem9.offset|) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|) (= (select |#length| main_~head~0.base) (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select |#length| main_~head~0.base) 12) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 101030#(and (= (select |#length| main_~x~0.base) (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem7.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1) (= (select |#length| main_~x~0.base) 12)), 101033#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= (select |#length| main_~head~0.base) (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.offset 0) (= (select |#length| main_~head~0.base) 12) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 101032#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= main_~x~0.offset 0) (= (select |#length| main_~head~0.base) 12) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)))), 101035#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~head~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#length| main_~head~0.base) (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.offset 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 101034#(and (= 12 (select |#length| main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (= (select |#length| main_~head~0.base) (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset))) (= main_~x~0.offset 0) (= main_~head~0.offset 0)), 101037#(and (= 12 (select |#length| main_~head~0.base)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 1) (not (= main_~head~0.base |main_#t~mem9.base|)) (= (select |#length| main_~head~0.base) (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|)) (= main_~head~0.offset 0) (= |main_#t~mem9.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))), 101036#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~head~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= (select |#length| main_~head~0.base) (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (= main_~x~0.offset 0) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem7.base|)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 101039#(and (= 12 (select |#length| main_~head~0.base)) (= 1 (select |#valid| main_~x~0.base)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 1) (= (select |#length| main_~head~0.base) (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= main_~head~0.offset 0)), 101038#(and (= 12 (select |#length| main_~head~0.base)) (= (select |#length| main_~head~0.base) (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 1) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 101041#(and (or (and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| main_~head~0.base)) (= (select |#length| main_~head~0.base) (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= (select |#valid| main_~x~0.base) 1)) (and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 101040#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (or (and (= 0 main_~head~0.offset) (= main_~head~0.base |main_#t~malloc5.base|) (= main_~head~0.offset |main_#t~malloc5.offset|)) (and (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc5.base|)) (= 12 (select |#length| main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset))) (= (select |#length| main_~head~0.base) (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) 0))))), 101043#(or (and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| main_~head~0.base)) (= (select |#length| main_~head~0.base) (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))) (and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 101042#(and (or (and (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| main_~head~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= (select |#length| main_~head~0.base) (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) 0)))) (and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= main_~x~0.base |main_#t~mem7.base|))), 101045#(or (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.offset 0) (= main_~x~0.base main_~head~0.base)) (and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0))) (= 12 (select |#length| main_~head~0.base)) (= (select |#length| main_~head~0.base) (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))))), 101044#(or (and (= 12 (select |#length| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= (select |#length| main_~head~0.base) (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))) (and (= 0 |main_#t~mem9.offset|) (= main_~head~0.offset |main_#t~mem9.offset|) (= main_~head~0.base |main_#t~mem9.base|))), 101047#(or (and (= 0 main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= 12 (select |#length| main_~head~0.base)) (= (select |#length| main_~head~0.base) (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))))), 101046#(or (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.offset 0) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (and (= 12 (select |#length| main_~head~0.base)) (= (select |#length| main_~head~0.base) (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))))), 101049#(or (and (= 0 |main_#t~mem17.base|) (= |main_#t~mem17.offset| 0)) (and (= 12 (select |#length| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= (select |#length| main_~head~0.base) (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base))), 101048#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (and (= 12 (select |#length| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= (select |#length| main_~head~0.base) (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base))), 101051#(and (= |main_#t~mem25.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem25.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= |main_#t~mem25.offset| 0))) (= (select |#length| main_~head~0.base) (select |#length| |main_#t~mem25.base|)) (not (= |main_#t~mem25.base| main_~head~0.base)) (= |main_#t~mem25.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#length| |main_#t~mem25.base|) 12)), 101050#(and (= 12 (select |#length| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= (select |#length| main_~head~0.base) (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base)), 101053#(and (or (<= (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 1) 0) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset main_~prev~0.base)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 101052#(and (or (<= (+ (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 1) 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 101055#(and (= main_~next~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (or (<= (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 1) 0) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset main_~prev~0.base)) main_~next~0.base) main_~next~0.offset)))) (not (= main_~x~0.base main_~next~0.base))), 101054#(and (or (<= (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 1) 0) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset main_~prev~0.base)) |main_#t~mem27.base|) |main_#t~mem27.offset|)))) (not (= main_~x~0.base |main_#t~mem27.base|)) (= |main_#t~mem27.offset| (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))] [2018-02-04 03:40:52,140 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:40:52,140 INFO L409 AbstractCegarLoop]: Interpolant automaton has 40 states [2018-02-04 03:40:52,140 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2018-02-04 03:40:52,140 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=1435, Unknown=0, NotChecked=0, Total=1560 [2018-02-04 03:40:52,140 INFO L87 Difference]: Start difference. First operand 838 states and 952 transitions. Second operand 40 states. [2018-02-04 03:40:54,334 WARN L146 SmtUtils]: Spent 108ms on a formula simplification. DAG size of input: 108 DAG size of output 89 [2018-02-04 03:40:56,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:40:56,341 INFO L93 Difference]: Finished difference Result 1056 states and 1199 transitions. [2018-02-04 03:40:56,341 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2018-02-04 03:40:56,341 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 83 [2018-02-04 03:40:56,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:40:56,342 INFO L225 Difference]: With dead ends: 1056 [2018-02-04 03:40:56,342 INFO L226 Difference]: Without dead ends: 1056 [2018-02-04 03:40:56,343 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 1 SyntacticMatches, 7 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2063 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=1016, Invalid=7174, Unknown=0, NotChecked=0, Total=8190 [2018-02-04 03:40:56,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1056 states. [2018-02-04 03:40:56,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1056 to 865. [2018-02-04 03:40:56,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 865 states. [2018-02-04 03:40:56,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 865 states to 865 states and 981 transitions. [2018-02-04 03:40:56,347 INFO L78 Accepts]: Start accepts. Automaton has 865 states and 981 transitions. Word has length 83 [2018-02-04 03:40:56,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:40:56,347 INFO L432 AbstractCegarLoop]: Abstraction has 865 states and 981 transitions. [2018-02-04 03:40:56,347 INFO L433 AbstractCegarLoop]: Interpolant automaton has 40 states. [2018-02-04 03:40:56,347 INFO L276 IsEmpty]: Start isEmpty. Operand 865 states and 981 transitions. [2018-02-04 03:40:56,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-02-04 03:40:56,347 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:40:56,348 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-02-04 03:40:56,348 INFO L371 AbstractCegarLoop]: === Iteration 101 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:40:56,348 INFO L82 PathProgramCache]: Analyzing trace with hash -1576464044, now seen corresponding path program 5 times [2018-02-04 03:40:56,348 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:40:56,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:40:56,374 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:40:58,427 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:40:58,427 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:40:58,427 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [41] total 41 [2018-02-04 03:40:58,427 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:40:58,427 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 03:40:58,428 INFO L182 omatonBuilderFactory]: Interpolants [103105#(and (or (and (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (= (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset) main_~head~0.offset)) (and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))) (or (and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| main_~x~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))) (and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= 0 main_~head~0.base)) (not (= main_~x~0.base |main_#t~mem7.base|))), 103104#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| main_~x~0.base)) (not (= main_~head~0.base main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (not (= 0 main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 103107#(and (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base |main_#t~mem9.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|))) (and (= 0 |main_#t~mem9.offset|) (= main_~head~0.base |main_#t~mem9.base|))) (not (= 0 main_~head~0.base)) (or (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= main_~head~0.offset |main_#t~mem9.offset|) (= main_~head~0.base |main_#t~mem9.base|)))), 103106#(and (or (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))) (not (= 0 main_~head~0.base)) (or (and (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| main_~x~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 103109#(and (or (and (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (= main_~x~0.base main_~head~0.base)) (and (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) main_~head~0.offset) (not (= main_~x~0.base main_~head~0.base)))) (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.offset 0) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))))), 103108#(and (= 0 main_~head~0.offset) (or (and (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (and (= main_~x~0.offset 0) (= main_~x~0.base main_~head~0.base))) (not (= 0 main_~head~0.base))), 103111#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.offset 0) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 103110#(and (= 0 main_~head~0.offset) (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 103113#(and (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (or (and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) main_~head~0.offset) (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))) (= main_~x~0.base main_~head~0.base)), 103112#(and (or (and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (or (and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) main_~head~0.offset) (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))) (= main_~x~0.base main_~head~0.base)), 103115#(or (<= (+ (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 8) 0) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))) (and (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) main_~head~0.offset) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~head~0.base)) (and (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 103114#(or (and (= |main_#t~mem25.offset| 0) (= (select (select |#memory_$Pointer$.base| |main_#t~mem25.base|) main_~head~0.offset) main_~head~0.base) (not (= (+ |main_#t~mem25.offset| 8) main_~head~0.offset)) (= |main_#t~mem25.base| main_~head~0.base) (= (select (select |#memory_$Pointer$.offset| |main_#t~mem25.base|) main_~head~0.offset) main_~head~0.offset)) (and (or (and (= |main_#t~mem25.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (+ |main_#t~mem25.offset| 8) 0)) (and (= |main_#t~mem25.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem25.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (+ |main_#t~mem25.offset| 8) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem25.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (and (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= |main_#t~mem25.base| main_~head~0.base)))), 103117#(or (and (= 0 main_~prev~0.offset) (= 0 main_~prev~0.base) (= main_~x~0.offset |main_#t~mem27.offset|) (= main_~x~0.base |main_#t~mem27.base|)) (and (= 0 |main_#t~mem27.offset|) (= |main_#t~mem27.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (and (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset main_~prev~0.base)) |main_#t~mem27.base|) |main_#t~mem27.offset|))) (not (= main_~x~0.base |main_#t~mem27.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset main_~prev~0.offset)) |main_#t~mem27.base|) |main_#t~mem27.offset|))) (and (<= (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 8) 0) (= |main_#t~mem27.offset| (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 103116#(or (<= (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 8) 0) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset main_~prev~0.offset)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset main_~prev~0.base)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (and (= 0 main_~prev~0.offset) (= 0 main_~prev~0.base) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 103119#(or (and (= 0 main_~next~0.offset) (= 0 main_~next~0.base)) (and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 4) main_~next~0.offset)) main_~next~0.base) main_~next~0.offset)) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 4) main_~next~0.base)) main_~next~0.base) main_~next~0.offset)))) (and (= 0 (select (store (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 4) main_~next~0.offset) main_~x~0.offset)) (= main_~x~0.base main_~next~0.base) (= 0 (select (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 4) main_~next~0.base) main_~x~0.offset)) (= main_~x~0.offset main_~next~0.offset)) (<= (+ main_~next~0.offset 8) 0)), 103118#(or (and (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset main_~prev~0.base)) main_~next~0.base) main_~next~0.offset))) (not (= main_~x~0.base main_~next~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset main_~prev~0.offset)) main_~next~0.base) main_~next~0.offset))) (and (= 0 main_~prev~0.offset) (= 0 main_~prev~0.base) (= main_~x~0.base main_~next~0.base) (= main_~x~0.offset main_~next~0.offset)) (and (= 0 main_~next~0.offset) (= main_~next~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (and (<= (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 8) 0) (= main_~next~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 103121#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (<= (+ main_~x~0.offset 8) 0) (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (and (= 0 main_~x~0.base) (= 0 main_~x~0.offset))), 103120#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~next~0.base) main_~next~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~next~0.base) main_~next~0.offset)))) (and (= 0 main_~next~0.offset) (= 0 main_~next~0.base)) (and (= main_~x~0.base main_~next~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.offset main_~next~0.offset)) (<= (+ main_~next~0.offset 8) 0)), 103123#(or (and (= 0 |main_#t~mem27.offset|) (= 12 (select |#length| |main_#t~mem27.base|))) (and (= 0 |main_#t~mem27.offset|) (= 0 |main_#t~mem27.base|))), 103122#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (<= (+ main_~x~0.offset 8) 0) (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 103125#(or (and (= (select |#length| main_~x~0.base) 12) (= 0 main_~x~0.offset)) (and (= 0 main_~x~0.base) (= 0 main_~x~0.offset))), 103124#(or (and (= 12 (select |#length| main_~next~0.base)) (= 0 main_~next~0.offset)) (and (= 0 main_~next~0.offset) (= 0 main_~next~0.base))), 103126#(and (= main_~x~0.offset 0) (= (select |#length| main_~x~0.base) 12)), 103085#true, 103087#(and (not (= 0 |main_#t~malloc0.base|)) (= |main_#t~malloc0.offset| 0)), 103086#false, 103089#(and (= 1 (select |#valid| main_~head~0.base)) (not (= 0 main_~head~0.base)) (= main_~head~0.offset 0)), 103088#(and (not (= 0 main_~head~0.base)) (= main_~head~0.offset 0)), 103091#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= |main_#t~malloc5.offset| main_~head~0.offset) (= main_~x~0.offset 0) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 103090#(and (= main_~x~0.offset 0) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 103093#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) main_~head~0.offset) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= (select |#valid| main_~x~0.base) 1)), 103092#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) main_~head~0.offset) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= (select |#valid| main_~x~0.base) 1)), 103095#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= 0 main_~head~0.base)) (= main_~head~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= 0 main_~x~0.offset)), 103094#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.offset|) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~head~0.base) 1) (not (= 0 main_~head~0.base)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 103097#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| |main_#t~malloc5.base|)) (not (= 0 main_~head~0.base)) (= (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset) main_~head~0.offset) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset)) (= 0 main_~x~0.offset)), 103096#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) main_~head~0.offset) (= (select |#valid| main_~head~0.base) 1) (not (= 0 main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base)), 103099#(and (= 12 (select |#length| |main_#t~mem7.base|)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (not (= 0 main_~head~0.base)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem7.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset) main_~x~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 103098#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) main_~head~0.offset) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~x~0.base) 1) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base)), 103101#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| main_~x~0.base)) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 1) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))), 103100#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| |main_#t~mem9.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 1) (not (= main_~head~0.base |main_#t~mem9.base|)) (= |main_#t~mem9.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) main_~head~0.offset) (not (= 0 main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 103103#(and (= 0 |main_#t~malloc5.offset|) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc5.base|)) (= 12 (select |#length| main_~x~0.base)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base |main_#t~malloc5.base|)) (not (= main_~head~0.base main_~x~0.base)) (not (= 0 main_~head~0.base)) (= (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset) main_~head~0.offset) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset)))), 103102#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~x~0.base)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 1) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) main_~head~0.offset) (not (= 0 main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))] [2018-02-04 03:40:58,428 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:40:58,428 INFO L409 AbstractCegarLoop]: Interpolant automaton has 42 states [2018-02-04 03:40:58,428 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2018-02-04 03:40:58,428 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=1569, Unknown=0, NotChecked=0, Total=1722 [2018-02-04 03:40:58,428 INFO L87 Difference]: Start difference. First operand 865 states and 981 transitions. Second operand 42 states. [2018-02-04 03:41:00,440 WARN L146 SmtUtils]: Spent 101ms on a formula simplification. DAG size of input: 106 DAG size of output 95 [2018-02-04 03:41:00,745 WARN L146 SmtUtils]: Spent 108ms on a formula simplification. DAG size of input: 117 DAG size of output 92 [2018-02-04 03:41:01,337 WARN L146 SmtUtils]: Spent 118ms on a formula simplification. DAG size of input: 108 DAG size of output 84 [2018-02-04 03:41:02,672 WARN L146 SmtUtils]: Spent 102ms on a formula simplification. DAG size of input: 84 DAG size of output 79 [2018-02-04 03:41:04,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:41:04,252 INFO L93 Difference]: Finished difference Result 1067 states and 1207 transitions. [2018-02-04 03:41:04,252 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2018-02-04 03:41:04,252 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 83 [2018-02-04 03:41:04,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:41:04,253 INFO L225 Difference]: With dead ends: 1067 [2018-02-04 03:41:04,253 INFO L226 Difference]: Without dead ends: 1067 [2018-02-04 03:41:04,253 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 2 SyntacticMatches, 5 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2018 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=858, Invalid=7332, Unknown=0, NotChecked=0, Total=8190 [2018-02-04 03:41:04,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1067 states. [2018-02-04 03:41:04,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1067 to 864. [2018-02-04 03:41:04,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 864 states. [2018-02-04 03:41:04,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 864 states to 864 states and 979 transitions. [2018-02-04 03:41:04,258 INFO L78 Accepts]: Start accepts. Automaton has 864 states and 979 transitions. Word has length 83 [2018-02-04 03:41:04,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:41:04,258 INFO L432 AbstractCegarLoop]: Abstraction has 864 states and 979 transitions. [2018-02-04 03:41:04,258 INFO L433 AbstractCegarLoop]: Interpolant automaton has 42 states. [2018-02-04 03:41:04,258 INFO L276 IsEmpty]: Start isEmpty. Operand 864 states and 979 transitions. [2018-02-04 03:41:04,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-02-04 03:41:04,258 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:41:04,258 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:41:04,258 INFO L371 AbstractCegarLoop]: === Iteration 102 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:41:04,259 INFO L82 PathProgramCache]: Analyzing trace with hash 866328658, now seen corresponding path program 8 times [2018-02-04 03:41:04,259 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:41:04,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:41:04,276 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:41:05,384 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:05,384 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:41:05,384 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2018-02-04 03:41:05,384 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:41:05,384 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 03:41:05,385 INFO L182 omatonBuilderFactory]: Interpolants [105157#false, 105156#true, 105159#(= main_~head~0.offset 0), 105158#(= |main_#t~malloc0.offset| 0), 105161#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 105160#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 105163#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 105162#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= |main_#t~malloc5.offset| 0) (= main_~x~0.offset main_~head~0.offset) (not (= 0 |main_#t~malloc5.base|)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 105165#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|) (not (= main_~head~0.base |main_#t~mem9.base|)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem9.offset| 0) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 105164#(and (not (= 0 (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~head~0.offset))) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 105167#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset 0) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 105166#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= main_~x~0.offset 0) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))), 105169#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset 0) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0)) (= (select |#valid| main_~x~0.base) 1)), 105168#(and (= 0 |main_#t~malloc5.offset|) (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (= main_~x~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset 0)), 105171#(and (= 0 |main_#t~mem9.offset|) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) |main_#t~mem9.base|) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 1) (not (= main_~head~0.base |main_#t~mem9.base|)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 105170#(and (not (= 0 (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem7.base|)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0)) (= (select |#valid| main_~x~0.base) 1)), 105173#(and (= 1 (select |#valid| main_~x~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 1) (= main_~x~0.offset 0) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 105172#(and (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 1) (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= main_~x~0.offset 0) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0)) (= main_~head~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))), 105175#(and (or (and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 105174#(or (and (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc5.base|)) (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) 0)) (= 1 (select |#valid| |main_#t~malloc5.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) 0))) (and (= main_~head~0.base |main_#t~malloc5.base|) (= main_~head~0.offset |main_#t~malloc5.offset|) (not (= main_~x~0.base |main_#t~malloc5.base|)))), 105177#(or (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) |main_#t~mem9.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~head~0.base |main_#t~mem9.base|)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= main_~head~0.offset |main_#t~mem9.offset|) (= main_~head~0.base |main_#t~mem9.base|))), 105176#(and (or (and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (and (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) 0)) (not (= 0 (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) 0))))) (not (= main_~x~0.base |main_#t~mem7.base|))), 105179#(or (and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 105178#(or (and (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0))) (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0)) 0))) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base))), 105181#(or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 105180#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 105183#(or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (not |main_#t~short14|)), 105182#(or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (and (= |main_#t~mem12.offset| 0) (= 0 |main_#t~mem12.base|))), 105185#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0)) 0))) (= 0 |main_#t~mem15.offset|) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) 0))), 105184#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 105187#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0))) (= 0 |main_#t~mem15.offset|)), 105186#(and (= main_~x~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 105189#(= 1 (select |#valid| |main_#t~mem15.base|)), 105188#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset 0)), 105190#(= 1 (select |#valid| main_~x~0.base))] [2018-02-04 03:41:05,385 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:05,385 INFO L409 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-02-04 03:41:05,385 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-02-04 03:41:05,385 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=1082, Unknown=0, NotChecked=0, Total=1190 [2018-02-04 03:41:05,385 INFO L87 Difference]: Start difference. First operand 864 states and 979 transitions. Second operand 35 states. [2018-02-04 03:41:07,477 WARN L146 SmtUtils]: Spent 102ms on a formula simplification. DAG size of input: 133 DAG size of output 86 [2018-02-04 03:41:09,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:41:09,804 INFO L93 Difference]: Finished difference Result 977 states and 1095 transitions. [2018-02-04 03:41:09,804 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2018-02-04 03:41:09,804 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 83 [2018-02-04 03:41:09,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:41:09,805 INFO L225 Difference]: With dead ends: 977 [2018-02-04 03:41:09,805 INFO L226 Difference]: Without dead ends: 977 [2018-02-04 03:41:09,805 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2293 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=1087, Invalid=7469, Unknown=0, NotChecked=0, Total=8556 [2018-02-04 03:41:09,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2018-02-04 03:41:09,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 872. [2018-02-04 03:41:09,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 872 states. [2018-02-04 03:41:09,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 872 states to 872 states and 989 transitions. [2018-02-04 03:41:09,809 INFO L78 Accepts]: Start accepts. Automaton has 872 states and 989 transitions. Word has length 83 [2018-02-04 03:41:09,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:41:09,809 INFO L432 AbstractCegarLoop]: Abstraction has 872 states and 989 transitions. [2018-02-04 03:41:09,809 INFO L433 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-02-04 03:41:09,809 INFO L276 IsEmpty]: Start isEmpty. Operand 872 states and 989 transitions. [2018-02-04 03:41:09,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-02-04 03:41:09,810 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:41:09,810 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:41:09,810 INFO L371 AbstractCegarLoop]: === Iteration 103 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:41:09,810 INFO L82 PathProgramCache]: Analyzing trace with hash 866328659, now seen corresponding path program 7 times [2018-02-04 03:41:09,810 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:41:09,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:41:09,821 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:41:10,983 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:10,983 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:41:10,983 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2018-02-04 03:41:10,983 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:41:10,983 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 03:41:10,984 INFO L182 omatonBuilderFactory]: Interpolants [107157#false, 107156#true, 107159#(and (= 12 (select |#length| main_~head~0.base)) (= main_~head~0.offset 0)), 107158#(and (= |main_#t~malloc0.offset| 0) (= 12 (select |#length| |main_#t~malloc0.base|))), 107161#(and (= 12 (select |#length| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 107160#(and (= 12 (select |#length| main_~head~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 107163#(and (= 12 (select |#length| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 107162#(and (= 12 (select |#length| main_~x~0.base)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 107165#(and (= 12 (select |#length| main_~head~0.base)) (= |main_#t~mem9.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|) (not (= main_~head~0.base |main_#t~mem9.base|)) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 107164#(and (= 12 (select |#length| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 107167#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~head~0.base)) (= 1 (select |#valid| main_~x~0.base)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 107166#(and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 107169#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~head~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 107168#(and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset 0)), 107171#(and (= |main_#t~mem9.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| main_~head~0.base)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem9.base|) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 1) (not (= main_~head~0.base |main_#t~mem9.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|)) (= main_~head~0.offset 0)), 107170#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~head~0.base)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem7.base|)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 107173#(and (= 12 (select |#length| main_~head~0.base)) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 1) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset 0)), 107172#(and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| main_~head~0.base)) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 1) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 107175#(and (= 12 (select |#length| main_~head~0.base)) (not (= main_~head~0.base main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (or (and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (= main_~head~0.offset 0)), 107174#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (or (and (= |main_#t~malloc5.base| main_~head~0.base) (= 12 (select |#length| |main_#t~malloc5.base|)) (= main_~head~0.offset 0)) (and (= 0 |main_#t~malloc5.offset|) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc5.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| main_~head~0.base)) (not (= main_~head~0.base main_~x~0.base)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| |main_#t~malloc5.base|)) (= main_~head~0.offset 0)))), 107177#(and (or (and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| main_~head~0.base)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base) (= main_~head~0.offset 0))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 107176#(and (or (and (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base) (= main_~head~0.offset 0)) (and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| main_~head~0.base)) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)))) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset 0))) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem7.base|))), 107179#(or (and (or (not (= main_~x~0.offset 0)) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base))) (= (select |#length| main_~x~0.base) 12)) (and (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base main_~head~0.base))) (and (or (not (= main_~x~0.offset 0)) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base))) (= main_~x~0.offset 0))), 107178#(or (and (= 12 (select |#length| |main_#t~mem9.base|)) (= |main_#t~mem9.base| main_~head~0.base) (= main_~head~0.offset 0)) (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem9.base|)) (= 12 (select |#length| main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= main_~head~0.offset 0) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))))), 107181#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))) (and (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 107180#(or (and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))) (and (<= 0 main_~x~0.offset) (or (not (= main_~x~0.offset 0)) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))) (= (select |#length| main_~x~0.base) 12)) (and (= main_~x~0.offset 0) (or (not (= main_~x~0.offset 0)) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))))), 107183#(or (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (and (= |main_#t~mem12.offset| 0) (= 0 |main_#t~mem12.base|))), 107182#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 107185#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 107184#(or (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (not |main_#t~short14|)), 107187#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 107186#(and (= 12 (select |#length| (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|)))), 107189#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 107188#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)))), 107191#(and (= main_~x~0.offset 0) (= (select |#length| main_~x~0.base) 12)), 107190#(and (= 12 (select |#length| |main_#t~mem15.base|)) (= 0 |main_#t~mem15.offset|))] [2018-02-04 03:41:10,984 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:10,984 INFO L409 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-02-04 03:41:10,984 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-02-04 03:41:10,984 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=1146, Unknown=0, NotChecked=0, Total=1260 [2018-02-04 03:41:10,984 INFO L87 Difference]: Start difference. First operand 872 states and 989 transitions. Second operand 36 states. [2018-02-04 03:41:14,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:41:14,601 INFO L93 Difference]: Finished difference Result 971 states and 1092 transitions. [2018-02-04 03:41:14,602 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2018-02-04 03:41:14,602 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 83 [2018-02-04 03:41:14,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:41:14,602 INFO L225 Difference]: With dead ends: 971 [2018-02-04 03:41:14,602 INFO L226 Difference]: Without dead ends: 971 [2018-02-04 03:41:14,603 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1666 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=756, Invalid=6216, Unknown=0, NotChecked=0, Total=6972 [2018-02-04 03:41:14,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 971 states. [2018-02-04 03:41:14,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 971 to 874. [2018-02-04 03:41:14,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 874 states. [2018-02-04 03:41:14,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 874 states and 991 transitions. [2018-02-04 03:41:14,606 INFO L78 Accepts]: Start accepts. Automaton has 874 states and 991 transitions. Word has length 83 [2018-02-04 03:41:14,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:41:14,606 INFO L432 AbstractCegarLoop]: Abstraction has 874 states and 991 transitions. [2018-02-04 03:41:14,606 INFO L433 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-02-04 03:41:14,606 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 991 transitions. [2018-02-04 03:41:14,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-02-04 03:41:14,607 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:41:14,607 INFO L351 BasicCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:41:14,607 INFO L371 AbstractCegarLoop]: === Iteration 104 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:41:14,607 INFO L82 PathProgramCache]: Analyzing trace with hash -670937770, now seen corresponding path program 1 times [2018-02-04 03:41:14,607 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:41:14,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:41:14,614 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:41:14,813 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-02-04 03:41:14,813 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:41:14,813 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-02-04 03:41:14,813 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:41:14,813 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 03:41:14,814 INFO L182 omatonBuilderFactory]: Interpolants [109133#true, 109135#(= 1 (select |#valid| main_~head~0.base)), 109134#false, 109137#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 109136#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 109139#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~head~0.offset)))), 109138#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base)), 109141#(and (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))), 109140#(and (not (= main_~head~0.base |main_#t~mem9.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 109143#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 109142#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 109145#(= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)), 109144#(and (not (= |main_#t~mem25.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 109147#(= 0 |main_#t~mem27.offset|), 109146#(= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)), 109149#(= 0 main_~x~0.offset), 109148#(= 0 main_~next~0.offset), 109151#(= 0 main_~head~0.offset), 109150#(= 0 main_~prev~0.offset)] [2018-02-04 03:41:14,814 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-02-04 03:41:14,814 INFO L409 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-02-04 03:41:14,814 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-02-04 03:41:14,814 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2018-02-04 03:41:14,814 INFO L87 Difference]: Start difference. First operand 874 states and 991 transitions. Second operand 19 states. [2018-02-04 03:41:15,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:41:15,636 INFO L93 Difference]: Finished difference Result 925 states and 1032 transitions. [2018-02-04 03:41:15,636 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-02-04 03:41:15,636 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 84 [2018-02-04 03:41:15,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:41:15,637 INFO L225 Difference]: With dead ends: 925 [2018-02-04 03:41:15,637 INFO L226 Difference]: Without dead ends: 925 [2018-02-04 03:41:15,637 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 4 SyntacticMatches, 4 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 395 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=319, Invalid=1661, Unknown=0, NotChecked=0, Total=1980 [2018-02-04 03:41:15,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 925 states. [2018-02-04 03:41:15,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 925 to 858. [2018-02-04 03:41:15,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 858 states. [2018-02-04 03:41:15,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 858 states and 975 transitions. [2018-02-04 03:41:15,641 INFO L78 Accepts]: Start accepts. Automaton has 858 states and 975 transitions. Word has length 84 [2018-02-04 03:41:15,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:41:15,641 INFO L432 AbstractCegarLoop]: Abstraction has 858 states and 975 transitions. [2018-02-04 03:41:15,641 INFO L433 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-02-04 03:41:15,641 INFO L276 IsEmpty]: Start isEmpty. Operand 858 states and 975 transitions. [2018-02-04 03:41:15,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-02-04 03:41:15,641 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:41:15,641 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 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] [2018-02-04 03:41:15,641 INFO L371 AbstractCegarLoop]: === Iteration 105 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:41:15,641 INFO L82 PathProgramCache]: Analyzing trace with hash -1916992333, now seen corresponding path program 1 times [2018-02-04 03:41:15,642 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:41:15,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:41:15,654 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:41:16,113 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:16,114 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:41:16,114 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-02-04 03:41:16,114 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:41:16,114 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 03:41:16,114 INFO L182 omatonBuilderFactory]: Interpolants [110987#true, 110989#(= 1 (select |#valid| main_~head~0.base)), 110988#false, 110991#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 110990#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 110993#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= (select |#valid| main_~x~0.base) 1) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~head~0.offset)))), 110992#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 110995#(and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)))), 110994#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.offset|) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~head~0.base) 1)), 110997#(and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset))), 110996#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base))), 110999#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem7.base|))), 110998#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 111001#(and (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)))), 111000#(and (not (= main_~head~0.base |main_#t~mem9.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 111003#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= main_~x~0.base main_~head~0.base)), 111002#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 111005#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 111004#(and (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem15.offset|) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))) (not (= main_~head~0.base |main_#t~mem15.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem15.base|)), 111007#(and (not (= |main_#t~mem25.base| main_~head~0.base)) (<= (+ (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 12) (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 111006#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (<= (+ main_~x~0.offset 12) (select |#length| main_~x~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 111009#(<= (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 12) (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 111008#(<= (+ (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 12) (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 111011#(and (= main_~next~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~next~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (<= (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 12) (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 111010#(and (= |main_#t~mem27.offset| (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= |main_#t~mem27.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (<= (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 12) (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 111013#(<= (+ main_~x~0.offset 12) (select |#length| main_~x~0.base)), 111012#(<= (+ main_~next~0.offset 12) (select |#length| main_~next~0.base)), 111015#(and (<= 0 main_~prev~0.offset) (<= (+ main_~prev~0.offset 12) (select |#length| main_~prev~0.base))), 111014#(and (<= (+ main_~x~0.offset 12) (select |#length| main_~x~0.base)) (<= 0 main_~x~0.offset))] [2018-02-04 03:41:16,114 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:16,115 INFO L409 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-02-04 03:41:16,115 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-02-04 03:41:16,115 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=732, Unknown=0, NotChecked=0, Total=812 [2018-02-04 03:41:16,115 INFO L87 Difference]: Start difference. First operand 858 states and 975 transitions. Second operand 29 states. [2018-02-04 03:41:18,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:41:18,212 INFO L93 Difference]: Finished difference Result 1067 states and 1212 transitions. [2018-02-04 03:41:18,213 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2018-02-04 03:41:18,213 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 84 [2018-02-04 03:41:18,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:41:18,213 INFO L225 Difference]: With dead ends: 1067 [2018-02-04 03:41:18,213 INFO L226 Difference]: Without dead ends: 1067 [2018-02-04 03:41:18,214 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1721 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=685, Invalid=5477, Unknown=0, NotChecked=0, Total=6162 [2018-02-04 03:41:18,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1067 states. [2018-02-04 03:41:18,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1067 to 832. [2018-02-04 03:41:18,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 832 states. [2018-02-04 03:41:18,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 832 states and 948 transitions. [2018-02-04 03:41:18,218 INFO L78 Accepts]: Start accepts. Automaton has 832 states and 948 transitions. Word has length 84 [2018-02-04 03:41:18,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:41:18,218 INFO L432 AbstractCegarLoop]: Abstraction has 832 states and 948 transitions. [2018-02-04 03:41:18,218 INFO L433 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-02-04 03:41:18,218 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 948 transitions. [2018-02-04 03:41:18,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-02-04 03:41:18,218 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:41:18,218 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 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] [2018-02-04 03:41:18,218 INFO L371 AbstractCegarLoop]: === Iteration 106 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr64EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:41:18,218 INFO L82 PathProgramCache]: Analyzing trace with hash -180578328, now seen corresponding path program 3 times [2018-02-04 03:41:18,219 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:41:18,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:41:18,234 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:41:19,078 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:19,078 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:41:19,078 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-02-04 03:41:19,078 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:41:19,079 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 03:41:19,079 INFO L182 omatonBuilderFactory]: Interpolants [113025#(and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 113024#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.offset|) (not (= main_~head~0.base |main_#t~mem9.base|)) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 113027#(and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset 0)), 113026#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 113029#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem7.base|)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 113028#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 113031#(and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 1) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 113030#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem9.base|) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 1) (not (= main_~head~0.base |main_#t~mem9.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem9.offset|) (= main_~head~0.offset 0)), 113033#(or (and (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc5.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| |main_#t~malloc5.base|))) (and (= main_~head~0.offset |main_#t~malloc5.offset|) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= |main_#t~malloc5.base| main_~head~0.base))), 113032#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 1) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset 0)), 113035#(and (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (or (and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)))))) (and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset) main_~head~0.base))) (not (= main_~x~0.base |main_#t~mem7.base|))), 113034#(or (and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base))), 113037#(or (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)) (and (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))))) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base main_~head~0.base)))), 113036#(or (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem9.base|)) (not (= main_~head~0.base |main_#t~mem9.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))) (and (= main_~head~0.offset |main_#t~mem9.offset|) (= main_~head~0.base |main_#t~mem9.base|))), 113039#(or (and (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 113038#(or (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))))), 113041#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (and (= |main_#t~mem12.offset| 0) (= 0 |main_#t~mem12.base|))), 113040#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 113043#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 113042#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (not |main_#t~short14|)), 113045#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 113044#(= 1 (select |#valid| (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|)))), 113047#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 113046#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))), 113048#(= 1 (select |#valid| |main_#t~mem25.base|)), 113015#true, 113017#(= |main_#t~malloc0.offset| 0), 113016#false, 113019#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 113018#(= main_~head~0.offset 0), 113021#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 113020#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 113023#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 113022#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1))] [2018-02-04 03:41:19,079 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:19,079 INFO L409 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-02-04 03:41:19,079 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-02-04 03:41:19,080 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=1022, Unknown=0, NotChecked=0, Total=1122 [2018-02-04 03:41:19,080 INFO L87 Difference]: Start difference. First operand 832 states and 948 transitions. Second operand 34 states. Received shutdown request... [2018-02-04 03:41:19,205 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 03:41:19,205 WARN L491 AbstractCegarLoop]: Verification canceled [2018-02-04 03:41:19,209 WARN L185 ceAbstractionStarter]: Timeout [2018-02-04 03:41:19,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.02 03:41:19 BoogieIcfgContainer [2018-02-04 03:41:19,209 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-02-04 03:41:19,209 INFO L168 Benchmark]: Toolchain (without parser) took 177771.41 ms. Allocated memory was 405.3 MB in the beginning and 1.1 GB in the end (delta: 681.6 MB). Free memory was 362.1 MB in the beginning and 345.6 MB in the end (delta: 16.5 MB). Peak memory consumption was 698.1 MB. Max. memory is 5.3 GB. [2018-02-04 03:41:19,210 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 405.3 MB. Free memory is still 368.7 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-04 03:41:19,210 INFO L168 Benchmark]: CACSL2BoogieTranslator took 164.56 ms. Allocated memory is still 405.3 MB. Free memory was 362.1 MB in the beginning and 350.1 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 5.3 GB. [2018-02-04 03:41:19,211 INFO L168 Benchmark]: Boogie Preprocessor took 29.63 ms. Allocated memory is still 405.3 MB. Free memory was 350.1 MB in the beginning and 347.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 5.3 GB. [2018-02-04 03:41:19,211 INFO L168 Benchmark]: RCFGBuilder took 364.21 ms. Allocated memory is still 405.3 MB. Free memory was 347.4 MB in the beginning and 306.9 MB in the end (delta: 40.5 MB). Peak memory consumption was 40.5 MB. Max. memory is 5.3 GB. [2018-02-04 03:41:19,211 INFO L168 Benchmark]: TraceAbstraction took 177210.35 ms. Allocated memory was 405.3 MB in the beginning and 1.1 GB in the end (delta: 681.6 MB). Free memory was 306.9 MB in the beginning and 345.6 MB in the end (delta: -38.7 MB). Peak memory consumption was 642.8 MB. Max. memory is 5.3 GB. [2018-02-04 03:41:19,212 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 405.3 MB. Free memory is still 368.7 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 164.56 ms. Allocated memory is still 405.3 MB. Free memory was 362.1 MB in the beginning and 350.1 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 29.63 ms. Allocated memory is still 405.3 MB. Free memory was 350.1 MB in the beginning and 347.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 5.3 GB. * RCFGBuilder took 364.21 ms. Allocated memory is still 405.3 MB. Free memory was 347.4 MB in the beginning and 306.9 MB in the end (delta: 40.5 MB). Peak memory consumption was 40.5 MB. Max. memory is 5.3 GB. * TraceAbstraction took 177210.35 ms. Allocated memory was 405.3 MB in the beginning and 1.1 GB in the end (delta: 681.6 MB). Free memory was 306.9 MB in the beginning and 345.6 MB in the end (delta: -38.7 MB). Peak memory consumption was 642.8 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 1037). Cancelled while BasicCegarLoop was constructing difference of abstraction (832states) and interpolant automaton (currently 6 states, 34 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1008). Cancelled while BasicCegarLoop was constructing difference of abstraction (832states) and interpolant automaton (currently 6 states, 34 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1041). Cancelled while BasicCegarLoop was constructing difference of abstraction (832states) and interpolant automaton (currently 6 states, 34 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 997). Cancelled while BasicCegarLoop was constructing difference of abstraction (832states) and interpolant automaton (currently 6 states, 34 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1004). Cancelled while BasicCegarLoop was constructing difference of abstraction (832states) and interpolant automaton (currently 6 states, 34 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1011). Cancelled while BasicCegarLoop was constructing difference of abstraction (832states) and interpolant automaton (currently 6 states, 34 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 986). Cancelled while BasicCegarLoop was constructing difference of abstraction (832states) and interpolant automaton (currently 6 states, 34 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1008). Cancelled while BasicCegarLoop was constructing difference of abstraction (832states) and interpolant automaton (currently 6 states, 34 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1021). Cancelled while BasicCegarLoop was constructing difference of abstraction (832states) and interpolant automaton (currently 6 states, 34 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1008). Cancelled while BasicCegarLoop was constructing difference of abstraction (832states) and interpolant automaton (currently 6 states, 34 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 987). Cancelled while BasicCegarLoop was constructing difference of abstraction (832states) and interpolant automaton (currently 6 states, 34 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1044). Cancelled while BasicCegarLoop was constructing difference of abstraction (832states) and interpolant automaton (currently 6 states, 34 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1053). Cancelled while BasicCegarLoop was constructing difference of abstraction (832states) and interpolant automaton (currently 6 states, 34 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 993). Cancelled while BasicCegarLoop was constructing difference of abstraction (832states) and interpolant automaton (currently 6 states, 34 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1034). Cancelled while BasicCegarLoop was constructing difference of abstraction (832states) and interpolant automaton (currently 6 states, 34 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 993). Cancelled while BasicCegarLoop was constructing difference of abstraction (832states) and interpolant automaton (currently 6 states, 34 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 993). Cancelled while BasicCegarLoop was constructing difference of abstraction (832states) and interpolant automaton (currently 6 states, 34 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1008). Cancelled while BasicCegarLoop was constructing difference of abstraction (832states) and interpolant automaton (currently 6 states, 34 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1041). Cancelled while BasicCegarLoop was constructing difference of abstraction (832states) and interpolant automaton (currently 6 states, 34 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 982]: Timeout (TraceAbstraction) Unable to prove that all allocated memory was freed (line 982). Cancelled while BasicCegarLoop was constructing difference of abstraction (832states) and interpolant automaton (currently 6 states, 34 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 993). Cancelled while BasicCegarLoop was constructing difference of abstraction (832states) and interpolant automaton (currently 6 states, 34 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1018). Cancelled while BasicCegarLoop was constructing difference of abstraction (832states) and interpolant automaton (currently 6 states, 34 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1008). Cancelled while BasicCegarLoop was constructing difference of abstraction (832states) and interpolant automaton (currently 6 states, 34 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 993). Cancelled while BasicCegarLoop was constructing difference of abstraction (832states) and interpolant automaton (currently 6 states, 34 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1042). Cancelled while BasicCegarLoop was constructing difference of abstraction (832states) and interpolant automaton (currently 6 states, 34 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1053). Cancelled while BasicCegarLoop was constructing difference of abstraction (832states) and interpolant automaton (currently 6 states, 34 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1006). Cancelled while BasicCegarLoop was constructing difference of abstraction (832states) and interpolant automaton (currently 6 states, 34 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1020). Cancelled while BasicCegarLoop was constructing difference of abstraction (832states) and interpolant automaton (currently 6 states, 34 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 993). Cancelled while BasicCegarLoop was constructing difference of abstraction (832states) and interpolant automaton (currently 6 states, 34 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1018). Cancelled while BasicCegarLoop was constructing difference of abstraction (832states) and interpolant automaton (currently 6 states, 34 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 988). Cancelled while BasicCegarLoop was constructing difference of abstraction (832states) and interpolant automaton (currently 6 states, 34 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1037). Cancelled while BasicCegarLoop was constructing difference of abstraction (832states) and interpolant automaton (currently 6 states, 34 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1008). Cancelled while BasicCegarLoop was constructing difference of abstraction (832states) and interpolant automaton (currently 6 states, 34 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 988). Cancelled while BasicCegarLoop was constructing difference of abstraction (832states) and interpolant automaton (currently 6 states, 34 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 993). Cancelled while BasicCegarLoop was constructing difference of abstraction (832states) and interpolant automaton (currently 6 states, 34 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1008). Cancelled while BasicCegarLoop was constructing difference of abstraction (832states) and interpolant automaton (currently 6 states, 34 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1052). Cancelled while BasicCegarLoop was constructing difference of abstraction (832states) and interpolant automaton (currently 6 states, 34 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1044). Cancelled while BasicCegarLoop was constructing difference of abstraction (832states) and interpolant automaton (currently 6 states, 34 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1008). Cancelled while BasicCegarLoop was constructing difference of abstraction (832states) and interpolant automaton (currently 6 states, 34 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1008). Cancelled while BasicCegarLoop was constructing difference of abstraction (832states) and interpolant automaton (currently 6 states, 34 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1000). Cancelled while BasicCegarLoop was constructing difference of abstraction (832states) and interpolant automaton (currently 6 states, 34 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1011). Cancelled while BasicCegarLoop was constructing difference of abstraction (832states) and interpolant automaton (currently 6 states, 34 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1042). Cancelled while BasicCegarLoop was constructing difference of abstraction (832states) and interpolant automaton (currently 6 states, 34 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1034). Cancelled while BasicCegarLoop was constructing difference of abstraction (832states) and interpolant automaton (currently 6 states, 34 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1011). Cancelled while BasicCegarLoop was constructing difference of abstraction (832states) and interpolant automaton (currently 6 states, 34 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 993). Cancelled while BasicCegarLoop was constructing difference of abstraction (832states) and interpolant automaton (currently 6 states, 34 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1006). Cancelled while BasicCegarLoop was constructing difference of abstraction (832states) and interpolant automaton (currently 6 states, 34 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 987). Cancelled while BasicCegarLoop was constructing difference of abstraction (832states) and interpolant automaton (currently 6 states, 34 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1037). Cancelled while BasicCegarLoop was constructing difference of abstraction (832states) and interpolant automaton (currently 6 states, 34 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1020). Cancelled while BasicCegarLoop was constructing difference of abstraction (832states) and interpolant automaton (currently 6 states, 34 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 997). Cancelled while BasicCegarLoop was constructing difference of abstraction (832states) and interpolant automaton (currently 6 states, 34 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1004). Cancelled while BasicCegarLoop was constructing difference of abstraction (832states) and interpolant automaton (currently 6 states, 34 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1008). Cancelled while BasicCegarLoop was constructing difference of abstraction (832states) and interpolant automaton (currently 6 states, 34 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1008). Cancelled while BasicCegarLoop was constructing difference of abstraction (832states) and interpolant automaton (currently 6 states, 34 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 986). Cancelled while BasicCegarLoop was constructing difference of abstraction (832states) and interpolant automaton (currently 6 states, 34 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1052). Cancelled while BasicCegarLoop was constructing difference of abstraction (832states) and interpolant automaton (currently 6 states, 34 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 993). Cancelled while BasicCegarLoop was constructing difference of abstraction (832states) and interpolant automaton (currently 6 states, 34 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1037). Cancelled while BasicCegarLoop was constructing difference of abstraction (832states) and interpolant automaton (currently 6 states, 34 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 993). Cancelled while BasicCegarLoop was constructing difference of abstraction (832states) and interpolant automaton (currently 6 states, 34 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1000). Cancelled while BasicCegarLoop was constructing difference of abstraction (832states) and interpolant automaton (currently 6 states, 34 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 993). Cancelled while BasicCegarLoop was constructing difference of abstraction (832states) and interpolant automaton (currently 6 states, 34 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1008). Cancelled while BasicCegarLoop was constructing difference of abstraction (832states) and interpolant automaton (currently 6 states, 34 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1021). Cancelled while BasicCegarLoop was constructing difference of abstraction (832states) and interpolant automaton (currently 6 states, 34 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 993). Cancelled while BasicCegarLoop was constructing difference of abstraction (832states) and interpolant automaton (currently 6 states, 34 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1011). Cancelled while BasicCegarLoop was constructing difference of abstraction (832states) and interpolant automaton (currently 6 states, 34 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 154 locations, 65 error locations. TIMEOUT Result, 177.1s OverallTime, 106 OverallIterations, 5 TraceHistogramMax, 130.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 10964 SDtfs, 50466 SDslu, 99588 SDs, 0 SdLazy, 155388 SolverSat, 10780 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 60.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4847 GetRequests, 272 SyntacticMatches, 355 SemanticMatches, 4219 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57451 ImplicationChecksByTransitivity, 93.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=874occurred in iteration=103, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 170/2377 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 105 MinimizatonAttempts, 8272 StatesRemovedByMinimization, 104 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 43.3s InterpolantComputationTime, 6514 NumberOfCodeBlocks, 6514 NumberOfCodeBlocksAsserted, 106 NumberOfCheckSat, 6408 ConstructedInterpolants, 0 QuantifiedInterpolants, 9679574 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 106 InterpolantComputations, 21 PerfectInterpolantSequences, 170/2377 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/dll-reverse_true-unreach-call_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-04_03-41-19-217.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/dll-reverse_true-unreach-call_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-02-04_03-41-19-217.csv Completed graceful shutdown