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/list-ext-properties/list-ext_false-unreach-call_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ccafca9-m [2018-02-04 02:39:59,704 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-04 02:39:59,706 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-04 02:39:59,718 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-04 02:39:59,719 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-04 02:39:59,719 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-04 02:39:59,720 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-04 02:39:59,722 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-04 02:39:59,723 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-04 02:39:59,724 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-04 02:39:59,724 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-04 02:39:59,725 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-04 02:39:59,725 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-04 02:39:59,726 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-04 02:39:59,727 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-04 02:39:59,729 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-04 02:39:59,730 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-04 02:39:59,732 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-04 02:39:59,733 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-04 02:39:59,733 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-04 02:39:59,735 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-02-04 02:39:59,739 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-02-04 02:39:59,739 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-02-04 02:39:59,740 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf [2018-02-04 02:39:59,749 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-04 02:39:59,749 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-04 02:39:59,750 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-04 02:39:59,750 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-04 02:39:59,750 INFO L133 SettingsManager]: * Use SBE=true [2018-02-04 02:39:59,750 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-04 02:39:59,751 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-04 02:39:59,751 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-04 02:39:59,751 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-04 02:39:59,751 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-04 02:39:59,751 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-04 02:39:59,751 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-04 02:39:59,751 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-04 02:39:59,751 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-02-04 02:39:59,751 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-04 02:39:59,751 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-04 02:39:59,752 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-04 02:39:59,752 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-04 02:39:59,752 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-04 02:39:59,752 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-04 02:39:59,752 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-04 02:39:59,752 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-04 02:39:59,752 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-02-04 02:39:59,778 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-04 02:39:59,786 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-04 02:39:59,788 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-04 02:39:59,789 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-04 02:39:59,790 INFO L276 PluginConnector]: CDTParser initialized [2018-02-04 02:39:59,790 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext-properties/list-ext_false-unreach-call_false-valid-deref.i [2018-02-04 02:39:59,920 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-04 02:39:59,921 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-04 02:39:59,921 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-04 02:39:59,922 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-04 02:39:59,926 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-04 02:39:59,927 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 02:39:59" (1/1) ... [2018-02-04 02:39:59,929 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 02:39:59, skipping insertion in model container [2018-02-04 02:39:59,929 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 02:39:59" (1/1) ... [2018-02-04 02:39:59,939 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 02:39:59,966 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 02:40:00,062 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 02:40:00,080 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 02:40:00,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 02:40:00 WrapperNode [2018-02-04 02:40:00,087 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-04 02:40:00,088 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-04 02:40:00,088 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-04 02:40:00,088 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-04 02:40:00,100 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 02:40:00" (1/1) ... [2018-02-04 02:40:00,101 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 02:40:00" (1/1) ... [2018-02-04 02:40:00,108 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 02:40:00" (1/1) ... [2018-02-04 02:40:00,108 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 02:40:00" (1/1) ... [2018-02-04 02:40:00,112 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 02:40:00" (1/1) ... [2018-02-04 02:40:00,116 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 02:40:00" (1/1) ... [2018-02-04 02:40:00,117 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 02:40:00" (1/1) ... [2018-02-04 02:40:00,120 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-04 02:40:00,120 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-04 02:40:00,120 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-04 02:40:00,120 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-04 02:40:00,121 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 02:40:00" (1/1) ... No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-04 02:40:00,159 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-04 02:40:00,159 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-04 02:40:00,159 INFO L136 BoogieDeclarations]: Found implementation of procedure exit [2018-02-04 02:40:00,159 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-04 02:40:00,159 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-02-04 02:40:00,159 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-02-04 02:40:00,159 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-02-04 02:40:00,160 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-02-04 02:40:00,160 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-04 02:40:00,160 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-04 02:40:00,160 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-04 02:40:00,160 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-02-04 02:40:00,160 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-02-04 02:40:00,160 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-02-04 02:40:00,160 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-02-04 02:40:00,160 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-02-04 02:40:00,160 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-04 02:40:00,160 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-04 02:40:00,160 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-04 02:40:00,446 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-04 02:40:00,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 02:40:00 BoogieIcfgContainer [2018-02-04 02:40:00,446 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-04 02:40:00,447 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-04 02:40:00,447 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-04 02:40:00,450 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-04 02:40:00,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.02 02:39:59" (1/3) ... [2018-02-04 02:40:00,451 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bccdb1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 02:40:00, skipping insertion in model container [2018-02-04 02:40:00,451 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 02:40:00" (2/3) ... [2018-02-04 02:40:00,452 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bccdb1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 02:40:00, skipping insertion in model container [2018-02-04 02:40:00,452 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 02:40:00" (3/3) ... [2018-02-04 02:40:00,453 INFO L107 eAbstractionObserver]: Analyzing ICFG list-ext_false-unreach-call_false-valid-deref.i [2018-02-04 02:40:00,461 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-02-04 02:40:00,468 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 33 error locations. [2018-02-04 02:40:00,500 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-04 02:40:00,500 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-04 02:40:00,500 INFO L324 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-02-04 02:40:00,500 INFO L325 AbstractCegarLoop]: Backedges is CANONICAL [2018-02-04 02:40:00,500 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-04 02:40:00,501 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-04 02:40:00,501 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-04 02:40:00,501 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-04 02:40:00,502 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-04 02:40:00,515 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states. [2018-02-04 02:40:00,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-02-04 02:40:00,522 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:40:00,523 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:40:00,523 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:40:00,526 INFO L82 PathProgramCache]: Analyzing trace with hash -2135487731, now seen corresponding path program 1 times [2018-02-04 02:40:00,561 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:40:00,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:40:00,591 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:40:00,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:00,620 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 02:40:00,620 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-02-04 02:40:00,621 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:40:00,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:00,621 INFO L182 omatonBuilderFactory]: Interpolants [102#true, 103#false] [2018-02-04 02:40:00,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:00,622 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-02-04 02:40:00,630 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-02-04 02:40:00,631 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-02-04 02:40:00,632 INFO L87 Difference]: Start difference. First operand 99 states. Second operand 2 states. [2018-02-04 02:40:00,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:40:00,708 INFO L93 Difference]: Finished difference Result 99 states and 107 transitions. [2018-02-04 02:40:00,708 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-02-04 02:40:00,709 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 13 [2018-02-04 02:40:00,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:40:00,716 INFO L225 Difference]: With dead ends: 99 [2018-02-04 02:40:00,716 INFO L226 Difference]: Without dead ends: 90 [2018-02-04 02:40:00,717 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-02-04 02:40:00,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2018-02-04 02:40:00,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2018-02-04 02:40:00,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2018-02-04 02:40:00,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 96 transitions. [2018-02-04 02:40:00,745 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 96 transitions. Word has length 13 [2018-02-04 02:40:00,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:40:00,745 INFO L432 AbstractCegarLoop]: Abstraction has 90 states and 96 transitions. [2018-02-04 02:40:00,745 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-02-04 02:40:00,745 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 96 transitions. [2018-02-04 02:40:00,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-02-04 02:40:00,746 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:40:00,746 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:40:00,746 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:40:00,747 INFO L82 PathProgramCache]: Analyzing trace with hash 757106509, now seen corresponding path program 1 times [2018-02-04 02:40:00,747 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:40:00,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:40:00,764 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:40:00,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:00,818 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 02:40:00,818 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 02:40:00,818 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:40:00,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:00,819 INFO L182 omatonBuilderFactory]: Interpolants [293#true, 294#false, 295#(= 1 (select |#valid| |main_#t~malloc0.base|)), 296#(= 1 (select |#valid| main_~a~0.base)), 297#(= 1 (select |#valid| main_~p~0.base))] [2018-02-04 02:40:00,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:00,820 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 02:40:00,820 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 02:40:00,820 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-04 02:40:00,821 INFO L87 Difference]: Start difference. First operand 90 states and 96 transitions. Second operand 5 states. [2018-02-04 02:40:01,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:40:01,007 INFO L93 Difference]: Finished difference Result 111 states and 122 transitions. [2018-02-04 02:40:01,007 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 02:40:01,007 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2018-02-04 02:40:01,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:40:01,008 INFO L225 Difference]: With dead ends: 111 [2018-02-04 02:40:01,008 INFO L226 Difference]: Without dead ends: 111 [2018-02-04 02:40:01,009 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 02:40:01,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2018-02-04 02:40:01,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 97. [2018-02-04 02:40:01,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2018-02-04 02:40:01,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 113 transitions. [2018-02-04 02:40:01,015 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 113 transitions. Word has length 15 [2018-02-04 02:40:01,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:40:01,015 INFO L432 AbstractCegarLoop]: Abstraction has 97 states and 113 transitions. [2018-02-04 02:40:01,015 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 02:40:01,015 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 113 transitions. [2018-02-04 02:40:01,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-02-04 02:40:01,016 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:40:01,016 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:40:01,016 INFO L371 AbstractCegarLoop]: === Iteration 3 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:40:01,016 INFO L82 PathProgramCache]: Analyzing trace with hash 757106510, now seen corresponding path program 1 times [2018-02-04 02:40:01,017 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:40:01,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:40:01,029 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:40:01,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:01,092 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 02:40:01,092 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 02:40:01,092 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:40:01,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:01,093 INFO L182 omatonBuilderFactory]: Interpolants [512#(and (= 8 (select |#length| |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|)), 513#(and (= 8 (select |#length| main_~a~0.base)) (= 0 main_~a~0.offset)), 514#(and (= (select |#length| main_~p~0.base) 8) (= main_~p~0.offset 0)), 510#true, 511#false] [2018-02-04 02:40:01,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:01,093 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 02:40:01,093 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 02:40:01,093 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-04 02:40:01,093 INFO L87 Difference]: Start difference. First operand 97 states and 113 transitions. Second operand 5 states. [2018-02-04 02:40:01,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:40:01,244 INFO L93 Difference]: Finished difference Result 130 states and 143 transitions. [2018-02-04 02:40:01,244 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 02:40:01,245 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2018-02-04 02:40:01,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:40:01,245 INFO L225 Difference]: With dead ends: 130 [2018-02-04 02:40:01,245 INFO L226 Difference]: Without dead ends: 130 [2018-02-04 02:40:01,246 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 02:40:01,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-02-04 02:40:01,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 119. [2018-02-04 02:40:01,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2018-02-04 02:40:01,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 133 transitions. [2018-02-04 02:40:01,251 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 133 transitions. Word has length 15 [2018-02-04 02:40:01,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:40:01,251 INFO L432 AbstractCegarLoop]: Abstraction has 119 states and 133 transitions. [2018-02-04 02:40:01,251 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 02:40:01,252 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 133 transitions. [2018-02-04 02:40:01,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-02-04 02:40:01,252 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:40:01,252 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] [2018-02-04 02:40:01,252 INFO L371 AbstractCegarLoop]: === Iteration 4 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:40:01,252 INFO L82 PathProgramCache]: Analyzing trace with hash 1442918817, now seen corresponding path program 1 times [2018-02-04 02:40:01,253 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:40:01,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:40:01,268 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:40:01,317 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:01,317 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 02:40:01,317 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-02-04 02:40:01,317 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:40:01,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:01,318 INFO L182 omatonBuilderFactory]: Interpolants [768#true, 769#false, 770#(= 1 (select |#valid| |main_#t~malloc5.base|)), 771#(= 1 (select |#valid| main_~t~0.base)), 772#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))), 773#(= 1 (select |#valid| |main_#t~mem7.base|)), 774#(= 1 (select |#valid| main_~p~0.base))] [2018-02-04 02:40:01,319 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:01,319 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-02-04 02:40:01,319 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-02-04 02:40:01,319 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-02-04 02:40:01,320 INFO L87 Difference]: Start difference. First operand 119 states and 133 transitions. Second operand 7 states. [2018-02-04 02:40:01,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:40:01,842 INFO L93 Difference]: Finished difference Result 226 states and 253 transitions. [2018-02-04 02:40:01,842 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-02-04 02:40:01,842 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2018-02-04 02:40:01,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:40:01,845 INFO L225 Difference]: With dead ends: 226 [2018-02-04 02:40:01,845 INFO L226 Difference]: Without dead ends: 226 [2018-02-04 02:40:01,845 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2018-02-04 02:40:01,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2018-02-04 02:40:01,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 124. [2018-02-04 02:40:01,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2018-02-04 02:40:01,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 142 transitions. [2018-02-04 02:40:01,855 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 142 transitions. Word has length 26 [2018-02-04 02:40:01,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:40:01,855 INFO L432 AbstractCegarLoop]: Abstraction has 124 states and 142 transitions. [2018-02-04 02:40:01,855 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-02-04 02:40:01,855 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 142 transitions. [2018-02-04 02:40:01,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-02-04 02:40:01,856 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:40:01,856 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] [2018-02-04 02:40:01,856 INFO L371 AbstractCegarLoop]: === Iteration 5 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:40:01,856 INFO L82 PathProgramCache]: Analyzing trace with hash 1442918818, now seen corresponding path program 1 times [2018-02-04 02:40:01,857 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:40:01,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:40:01,870 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:40:01,936 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:01,936 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 02:40:01,936 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-02-04 02:40:01,937 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:40:01,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:01,937 INFO L182 omatonBuilderFactory]: Interpolants [1136#true, 1137#false, 1138#(and (= 0 |main_#t~malloc5.offset|) (= 8 (select |#length| |main_#t~malloc5.base|))), 1139#(and (= 8 (select |#length| main_~t~0.base)) (= 0 main_~t~0.offset)), 1140#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 1141#(and (= 8 (select |#length| |main_#t~mem7.base|)) (= 0 |main_#t~mem7.offset|)), 1142#(and (= (select |#length| main_~p~0.base) 8) (= main_~p~0.offset 0))] [2018-02-04 02:40:01,937 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:01,937 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-02-04 02:40:01,937 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-02-04 02:40:01,937 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-02-04 02:40:01,937 INFO L87 Difference]: Start difference. First operand 124 states and 142 transitions. Second operand 7 states. [2018-02-04 02:40:02,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:40:02,257 INFO L93 Difference]: Finished difference Result 242 states and 271 transitions. [2018-02-04 02:40:02,257 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-02-04 02:40:02,257 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2018-02-04 02:40:02,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:40:02,258 INFO L225 Difference]: With dead ends: 242 [2018-02-04 02:40:02,258 INFO L226 Difference]: Without dead ends: 242 [2018-02-04 02:40:02,259 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2018-02-04 02:40:02,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2018-02-04 02:40:02,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 105. [2018-02-04 02:40:02,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-02-04 02:40:02,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 117 transitions. [2018-02-04 02:40:02,265 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 117 transitions. Word has length 26 [2018-02-04 02:40:02,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:40:02,265 INFO L432 AbstractCegarLoop]: Abstraction has 105 states and 117 transitions. [2018-02-04 02:40:02,265 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-02-04 02:40:02,265 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 117 transitions. [2018-02-04 02:40:02,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-02-04 02:40:02,266 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:40:02,266 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 02:40:02,266 INFO L371 AbstractCegarLoop]: === Iteration 6 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:40:02,267 INFO L82 PathProgramCache]: Analyzing trace with hash 317364595, now seen corresponding path program 1 times [2018-02-04 02:40:02,267 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:40:02,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:40:02,277 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:40:02,408 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 02:40:02,408 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 02:40:02,408 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-02-04 02:40:02,408 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:40:02,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:02,409 INFO L182 omatonBuilderFactory]: Interpolants [1505#true, 1506#false, 1507#(and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)), 1508#(= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 3), 1509#(= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3), 1510#(= |main_#t~mem16| 3)] [2018-02-04 02:40:02,409 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 02:40:02,409 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 02:40:02,409 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 02:40:02,409 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-02-04 02:40:02,409 INFO L87 Difference]: Start difference. First operand 105 states and 117 transitions. Second operand 6 states. [2018-02-04 02:40:02,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:40:02,527 INFO L93 Difference]: Finished difference Result 187 states and 204 transitions. [2018-02-04 02:40:02,528 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-02-04 02:40:02,528 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2018-02-04 02:40:02,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:40:02,528 INFO L225 Difference]: With dead ends: 187 [2018-02-04 02:40:02,529 INFO L226 Difference]: Without dead ends: 187 [2018-02-04 02:40:02,529 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-02-04 02:40:02,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2018-02-04 02:40:02,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 118. [2018-02-04 02:40:02,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2018-02-04 02:40:02,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 134 transitions. [2018-02-04 02:40:02,534 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 134 transitions. Word has length 27 [2018-02-04 02:40:02,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:40:02,534 INFO L432 AbstractCegarLoop]: Abstraction has 118 states and 134 transitions. [2018-02-04 02:40:02,534 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 02:40:02,534 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 134 transitions. [2018-02-04 02:40:02,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-02-04 02:40:02,535 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:40:02,535 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] [2018-02-04 02:40:02,535 INFO L371 AbstractCegarLoop]: === Iteration 7 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:40:02,535 INFO L82 PathProgramCache]: Analyzing trace with hash 135192649, now seen corresponding path program 1 times [2018-02-04 02:40:02,536 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:40:02,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:40:02,547 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:40:02,585 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:02,585 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 02:40:02,585 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-02-04 02:40:02,585 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:40:02,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:02,586 INFO L182 omatonBuilderFactory]: Interpolants [1824#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))), 1825#(= 1 (select |#valid| |main_#t~mem14.base|)), 1826#(= 1 (select |#valid| main_~p~0.base)), 1820#true, 1821#false, 1822#(= 1 (select |#valid| |main_#t~malloc12.base|)), 1823#(= 1 (select |#valid| main_~t~0.base))] [2018-02-04 02:40:02,586 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:02,586 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-02-04 02:40:02,586 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-02-04 02:40:02,586 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-02-04 02:40:02,586 INFO L87 Difference]: Start difference. First operand 118 states and 134 transitions. Second operand 7 states. [2018-02-04 02:40:02,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:40:02,770 INFO L93 Difference]: Finished difference Result 157 states and 177 transitions. [2018-02-04 02:40:02,770 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-02-04 02:40:02,770 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 30 [2018-02-04 02:40:02,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:40:02,771 INFO L225 Difference]: With dead ends: 157 [2018-02-04 02:40:02,772 INFO L226 Difference]: Without dead ends: 157 [2018-02-04 02:40:02,772 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2018-02-04 02:40:02,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2018-02-04 02:40:02,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 116. [2018-02-04 02:40:02,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2018-02-04 02:40:02,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 132 transitions. [2018-02-04 02:40:02,775 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 132 transitions. Word has length 30 [2018-02-04 02:40:02,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:40:02,776 INFO L432 AbstractCegarLoop]: Abstraction has 116 states and 132 transitions. [2018-02-04 02:40:02,776 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-02-04 02:40:02,776 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 132 transitions. [2018-02-04 02:40:02,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-02-04 02:40:02,777 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:40:02,777 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] [2018-02-04 02:40:02,779 INFO L371 AbstractCegarLoop]: === Iteration 8 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:40:02,779 INFO L82 PathProgramCache]: Analyzing trace with hash 135192650, now seen corresponding path program 1 times [2018-02-04 02:40:02,780 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:40:02,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:40:02,792 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:40:02,953 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:02,953 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 02:40:02,953 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-02-04 02:40:02,953 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:40:02,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:02,954 INFO L182 omatonBuilderFactory]: Interpolants [2112#false, 2113#(and (= 0 |main_#t~malloc12.offset|) (= 8 (select |#length| |main_#t~malloc12.base|))), 2114#(and (= 8 (select |#length| main_~t~0.base)) (= 0 main_~t~0.offset)), 2115#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 2116#(and (= 8 (select |#length| |main_#t~mem14.base|)) (= 0 |main_#t~mem14.offset|)), 2117#(and (= (select |#length| main_~p~0.base) 8) (= main_~p~0.offset 0)), 2111#true] [2018-02-04 02:40:02,954 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:02,954 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-02-04 02:40:02,955 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-02-04 02:40:02,955 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-02-04 02:40:02,955 INFO L87 Difference]: Start difference. First operand 116 states and 132 transitions. Second operand 7 states. [2018-02-04 02:40:03,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:40:03,361 INFO L93 Difference]: Finished difference Result 171 states and 192 transitions. [2018-02-04 02:40:03,362 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-02-04 02:40:03,362 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 30 [2018-02-04 02:40:03,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:40:03,363 INFO L225 Difference]: With dead ends: 171 [2018-02-04 02:40:03,363 INFO L226 Difference]: Without dead ends: 171 [2018-02-04 02:40:03,363 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2018-02-04 02:40:03,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2018-02-04 02:40:03,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 101. [2018-02-04 02:40:03,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2018-02-04 02:40:03,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 115 transitions. [2018-02-04 02:40:03,366 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 115 transitions. Word has length 30 [2018-02-04 02:40:03,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:40:03,366 INFO L432 AbstractCegarLoop]: Abstraction has 101 states and 115 transitions. [2018-02-04 02:40:03,366 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-02-04 02:40:03,366 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 115 transitions. [2018-02-04 02:40:03,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-02-04 02:40:03,366 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:40:03,366 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] [2018-02-04 02:40:03,366 INFO L371 AbstractCegarLoop]: === Iteration 9 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:40:03,367 INFO L82 PathProgramCache]: Analyzing trace with hash 1848368372, now seen corresponding path program 1 times [2018-02-04 02:40:03,367 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:40:03,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:40:03,373 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:40:03,396 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 02:40:03,397 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 02:40:03,397 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-02-04 02:40:03,397 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:40:03,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:03,397 INFO L182 omatonBuilderFactory]: Interpolants [2403#true, 2404#false, 2405#(and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)), 2406#(= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 3), 2407#(= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3), 2408#(= |main_#t~mem19| 3)] [2018-02-04 02:40:03,397 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 02:40:03,397 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 02:40:03,398 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 02:40:03,398 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-02-04 02:40:03,398 INFO L87 Difference]: Start difference. First operand 101 states and 115 transitions. Second operand 6 states. [2018-02-04 02:40:03,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:40:03,496 INFO L93 Difference]: Finished difference Result 156 states and 169 transitions. [2018-02-04 02:40:03,497 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-02-04 02:40:03,497 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2018-02-04 02:40:03,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:40:03,497 INFO L225 Difference]: With dead ends: 156 [2018-02-04 02:40:03,497 INFO L226 Difference]: Without dead ends: 156 [2018-02-04 02:40:03,498 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-02-04 02:40:03,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2018-02-04 02:40:03,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 104. [2018-02-04 02:40:03,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2018-02-04 02:40:03,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 118 transitions. [2018-02-04 02:40:03,500 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 118 transitions. Word has length 30 [2018-02-04 02:40:03,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:40:03,500 INFO L432 AbstractCegarLoop]: Abstraction has 104 states and 118 transitions. [2018-02-04 02:40:03,501 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 02:40:03,501 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 118 transitions. [2018-02-04 02:40:03,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-02-04 02:40:03,501 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:40:03,502 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] [2018-02-04 02:40:03,502 INFO L371 AbstractCegarLoop]: === Iteration 10 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:40:03,502 INFO L82 PathProgramCache]: Analyzing trace with hash 772815435, now seen corresponding path program 1 times [2018-02-04 02:40:03,503 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:40:03,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:40:03,514 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:40:03,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:03,551 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 02:40:03,551 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-04 02:40:03,552 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:40:03,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:03,552 INFO L182 omatonBuilderFactory]: Interpolants [2673#true, 2674#false, 2675#(and (= main_~y~0 0) (= main_~i~0 0))] [2018-02-04 02:40:03,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:03,552 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-02-04 02:40:03,553 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-02-04 02:40:03,553 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-02-04 02:40:03,553 INFO L87 Difference]: Start difference. First operand 104 states and 118 transitions. Second operand 3 states. [2018-02-04 02:40:03,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:40:03,565 INFO L93 Difference]: Finished difference Result 105 states and 118 transitions. [2018-02-04 02:40:03,565 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-02-04 02:40:03,566 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2018-02-04 02:40:03,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:40:03,567 INFO L225 Difference]: With dead ends: 105 [2018-02-04 02:40:03,567 INFO L226 Difference]: Without dead ends: 95 [2018-02-04 02:40:03,567 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-02-04 02:40:03,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2018-02-04 02:40:03,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2018-02-04 02:40:03,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-02-04 02:40:03,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 107 transitions. [2018-02-04 02:40:03,570 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 107 transitions. Word has length 35 [2018-02-04 02:40:03,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:40:03,570 INFO L432 AbstractCegarLoop]: Abstraction has 95 states and 107 transitions. [2018-02-04 02:40:03,570 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-02-04 02:40:03,570 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 107 transitions. [2018-02-04 02:40:03,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-02-04 02:40:03,571 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:40:03,572 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] [2018-02-04 02:40:03,572 INFO L371 AbstractCegarLoop]: === Iteration 11 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:40:03,572 INFO L82 PathProgramCache]: Analyzing trace with hash -1113019023, now seen corresponding path program 1 times [2018-02-04 02:40:03,572 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:40:03,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:40:03,594 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:40:03,757 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:03,758 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:40:03,758 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-02-04 02:40:03,758 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:40:03,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:03,759 INFO L182 omatonBuilderFactory]: Interpolants [2880#(and (= main_~p~0.offset main_~a~0.offset) (not (= main_~p~0.base |main_#t~malloc12.base|)) (= main_~p~0.base main_~a~0.base) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 2)), 2881#(and (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 2)), 2882#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 2)), 2883#(and (not (= main_~a~0.base |main_#t~mem14.base|)) (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 2)), 2884#(= (select (select (store |#memory_int| main_~p~0.base (store (select |#memory_int| main_~p~0.base) main_~p~0.offset 3)) main_~a~0.base) main_~a~0.offset) 2), 2885#(= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 2), 2886#(= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 2), 2887#(= |main_#t~mem16| 2), 2876#true, 2877#false, 2878#(and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)), 2879#(and (= main_~p~0.offset main_~a~0.offset) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 2))] [2018-02-04 02:40:03,759 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:03,759 INFO L409 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-02-04 02:40:03,759 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-02-04 02:40:03,759 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2018-02-04 02:40:03,760 INFO L87 Difference]: Start difference. First operand 95 states and 107 transitions. Second operand 12 states. [2018-02-04 02:40:04,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:40:04,086 INFO L93 Difference]: Finished difference Result 173 states and 187 transitions. [2018-02-04 02:40:04,086 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-02-04 02:40:04,086 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 38 [2018-02-04 02:40:04,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:40:04,087 INFO L225 Difference]: With dead ends: 173 [2018-02-04 02:40:04,087 INFO L226 Difference]: Without dead ends: 173 [2018-02-04 02:40:04,087 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2018-02-04 02:40:04,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2018-02-04 02:40:04,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 111. [2018-02-04 02:40:04,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2018-02-04 02:40:04,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 125 transitions. [2018-02-04 02:40:04,090 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 125 transitions. Word has length 38 [2018-02-04 02:40:04,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:40:04,090 INFO L432 AbstractCegarLoop]: Abstraction has 111 states and 125 transitions. [2018-02-04 02:40:04,090 INFO L433 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-02-04 02:40:04,090 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 125 transitions. [2018-02-04 02:40:04,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-02-04 02:40:04,091 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:40:04,091 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] [2018-02-04 02:40:04,091 INFO L371 AbstractCegarLoop]: === Iteration 12 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:40:04,091 INFO L82 PathProgramCache]: Analyzing trace with hash 823813575, now seen corresponding path program 1 times [2018-02-04 02:40:04,092 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:40:04,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:40:04,108 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:40:04,297 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 02:40:04,298 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:40:04,298 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-02-04 02:40:04,298 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:40:04,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:04,299 INFO L182 omatonBuilderFactory]: Interpolants [3200#(= 1 (select |#valid| main_~p~0.base)), 3186#true, 3187#false, 3188#(= 0 |main_#t~malloc0.offset|), 3189#(= 0 main_~a~0.offset), 3190#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 3191#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 3192#(and (not (= main_~p~0.base |main_#t~malloc5.base|)) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 3193#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 3194#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 3195#(and (= 0 main_~a~0.offset) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base |main_#t~mem7.base|))), 3196#(and (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 3197#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))))), 3198#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0)), 3199#(= 1 (select |#valid| |main_#t~mem18.base|))] [2018-02-04 02:40:04,299 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 02:40:04,299 INFO L409 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-02-04 02:40:04,299 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-02-04 02:40:04,299 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2018-02-04 02:40:04,299 INFO L87 Difference]: Start difference. First operand 111 states and 125 transitions. Second operand 15 states. [2018-02-04 02:40:04,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:40:04,908 INFO L93 Difference]: Finished difference Result 203 states and 227 transitions. [2018-02-04 02:40:04,908 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-02-04 02:40:04,908 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 38 [2018-02-04 02:40:04,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:40:04,909 INFO L225 Difference]: With dead ends: 203 [2018-02-04 02:40:04,909 INFO L226 Difference]: Without dead ends: 203 [2018-02-04 02:40:04,909 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=237, Invalid=755, Unknown=0, NotChecked=0, Total=992 [2018-02-04 02:40:04,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2018-02-04 02:40:04,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 135. [2018-02-04 02:40:04,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2018-02-04 02:40:04,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 155 transitions. [2018-02-04 02:40:04,912 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 155 transitions. Word has length 38 [2018-02-04 02:40:04,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:40:04,912 INFO L432 AbstractCegarLoop]: Abstraction has 135 states and 155 transitions. [2018-02-04 02:40:04,912 INFO L433 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-02-04 02:40:04,912 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 155 transitions. [2018-02-04 02:40:04,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-02-04 02:40:04,912 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:40:04,912 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] [2018-02-04 02:40:04,912 INFO L371 AbstractCegarLoop]: === Iteration 13 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:40:04,913 INFO L82 PathProgramCache]: Analyzing trace with hash 823813576, now seen corresponding path program 1 times [2018-02-04 02:40:04,913 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:40:04,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:40:04,927 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:40:05,134 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 02:40:05,134 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:40:05,134 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-02-04 02:40:05,134 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:40:05,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:05,135 INFO L182 omatonBuilderFactory]: Interpolants [3584#(and (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))), 3585#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 3586#(and (= 8 (select |#length| |main_#t~mem18.base|)) (= 0 |main_#t~mem18.offset|)), 3587#(and (= (select |#length| main_~p~0.base) 8) (= main_~p~0.offset 0)), 3573#true, 3574#false, 3575#(= 0 |main_#t~malloc0.offset|), 3576#(= 0 main_~a~0.offset), 3577#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 3578#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 3579#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~p~0.base |main_#t~malloc5.base|)) (= 0 main_~a~0.offset) (= 8 (select |#length| |main_#t~malloc5.base|)) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 3580#(and (= 8 (select |#length| main_~t~0.base)) (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 3581#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= main_~p~0.base main_~a~0.base)), 3582#(and (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base |main_#t~mem7.base|))), 3583#(and (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)))] [2018-02-04 02:40:05,135 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 02:40:05,135 INFO L409 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-02-04 02:40:05,135 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-02-04 02:40:05,136 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2018-02-04 02:40:05,136 INFO L87 Difference]: Start difference. First operand 135 states and 155 transitions. Second operand 15 states. [2018-02-04 02:40:05,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:40:05,596 INFO L93 Difference]: Finished difference Result 231 states and 258 transitions. [2018-02-04 02:40:05,596 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-02-04 02:40:05,597 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 38 [2018-02-04 02:40:05,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:40:05,597 INFO L225 Difference]: With dead ends: 231 [2018-02-04 02:40:05,597 INFO L226 Difference]: Without dead ends: 231 [2018-02-04 02:40:05,598 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=183, Invalid=573, Unknown=0, NotChecked=0, Total=756 [2018-02-04 02:40:05,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2018-02-04 02:40:05,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 140. [2018-02-04 02:40:05,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2018-02-04 02:40:05,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 161 transitions. [2018-02-04 02:40:05,600 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 161 transitions. Word has length 38 [2018-02-04 02:40:05,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:40:05,601 INFO L432 AbstractCegarLoop]: Abstraction has 140 states and 161 transitions. [2018-02-04 02:40:05,601 INFO L433 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-02-04 02:40:05,601 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 161 transitions. [2018-02-04 02:40:05,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-02-04 02:40:05,601 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:40:05,602 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:40:05,602 INFO L371 AbstractCegarLoop]: === Iteration 14 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:40:05,602 INFO L82 PathProgramCache]: Analyzing trace with hash -339451850, now seen corresponding path program 1 times [2018-02-04 02:40:05,603 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:40:05,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:40:05,613 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:40:05,721 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 02:40:05,721 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:40:05,721 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-02-04 02:40:05,721 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:40:05,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:05,722 INFO L182 omatonBuilderFactory]: Interpolants [3985#true, 3986#false, 3987#(= 0 |main_#t~malloc0.offset|), 3988#(= 0 main_~a~0.offset), 3989#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 3990#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 3991#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base |main_#t~malloc12.base|)) (= main_~p~0.base main_~a~0.base)), 3992#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 3993#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 3994#(and (not (= main_~a~0.base |main_#t~mem14.base|)) (= 0 main_~a~0.offset) (= |main_#t~mem14.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 3995#(and (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 3996#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))))), 3997#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))), 3998#(= 1 (select |#valid| |main_#t~mem21.base|)), 3999#(= 1 (select |#valid| main_~p~0.base))] [2018-02-04 02:40:05,722 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 02:40:05,722 INFO L409 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-02-04 02:40:05,722 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-02-04 02:40:05,722 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2018-02-04 02:40:05,722 INFO L87 Difference]: Start difference. First operand 140 states and 161 transitions. Second operand 15 states. [2018-02-04 02:40:06,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:40:06,127 INFO L93 Difference]: Finished difference Result 189 states and 212 transitions. [2018-02-04 02:40:06,127 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-02-04 02:40:06,127 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 41 [2018-02-04 02:40:06,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:40:06,128 INFO L225 Difference]: With dead ends: 189 [2018-02-04 02:40:06,128 INFO L226 Difference]: Without dead ends: 189 [2018-02-04 02:40:06,128 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=237, Invalid=755, Unknown=0, NotChecked=0, Total=992 [2018-02-04 02:40:06,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2018-02-04 02:40:06,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 145. [2018-02-04 02:40:06,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2018-02-04 02:40:06,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 166 transitions. [2018-02-04 02:40:06,130 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 166 transitions. Word has length 41 [2018-02-04 02:40:06,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:40:06,131 INFO L432 AbstractCegarLoop]: Abstraction has 145 states and 166 transitions. [2018-02-04 02:40:06,131 INFO L433 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-02-04 02:40:06,131 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 166 transitions. [2018-02-04 02:40:06,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-02-04 02:40:06,131 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:40:06,131 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:40:06,131 INFO L371 AbstractCegarLoop]: === Iteration 15 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:40:06,132 INFO L82 PathProgramCache]: Analyzing trace with hash -339451849, now seen corresponding path program 1 times [2018-02-04 02:40:06,132 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:40:06,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:40:06,139 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:40:06,294 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 02:40:06,294 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:40:06,294 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-02-04 02:40:06,294 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:40:06,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:06,295 INFO L182 omatonBuilderFactory]: Interpolants [4368#true, 4369#false, 4370#(= 0 |main_#t~malloc0.offset|), 4371#(= 0 main_~a~0.offset), 4372#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 4373#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 4374#(and (= 0 main_~a~0.offset) (= 0 |main_#t~malloc12.offset|) (= 8 (select |#length| |main_#t~malloc12.base|)) (= main_~p~0.offset 0) (not (= main_~p~0.base |main_#t~malloc12.base|)) (= main_~p~0.base main_~a~0.base)), 4375#(and (= 8 (select |#length| main_~t~0.base)) (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 4376#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= main_~p~0.base main_~a~0.base)), 4377#(and (not (= main_~a~0.base |main_#t~mem14.base|)) (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))), 4378#(and (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 4379#(and (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))), 4380#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 4381#(and (= 0 |main_#t~mem21.offset|) (= 8 (select |#length| |main_#t~mem21.base|))), 4382#(and (= (select |#length| main_~p~0.base) 8) (= main_~p~0.offset 0))] [2018-02-04 02:40:06,295 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 02:40:06,295 INFO L409 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-02-04 02:40:06,295 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-02-04 02:40:06,295 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2018-02-04 02:40:06,295 INFO L87 Difference]: Start difference. First operand 145 states and 166 transitions. Second operand 15 states. [2018-02-04 02:40:06,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:40:06,737 INFO L93 Difference]: Finished difference Result 213 states and 237 transitions. [2018-02-04 02:40:06,738 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-02-04 02:40:06,738 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 41 [2018-02-04 02:40:06,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:40:06,738 INFO L225 Difference]: With dead ends: 213 [2018-02-04 02:40:06,738 INFO L226 Difference]: Without dead ends: 213 [2018-02-04 02:40:06,739 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=183, Invalid=573, Unknown=0, NotChecked=0, Total=756 [2018-02-04 02:40:06,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2018-02-04 02:40:06,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 145. [2018-02-04 02:40:06,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2018-02-04 02:40:06,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 166 transitions. [2018-02-04 02:40:06,741 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 166 transitions. Word has length 41 [2018-02-04 02:40:06,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:40:06,742 INFO L432 AbstractCegarLoop]: Abstraction has 145 states and 166 transitions. [2018-02-04 02:40:06,742 INFO L433 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-02-04 02:40:06,742 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 166 transitions. [2018-02-04 02:40:06,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-02-04 02:40:06,742 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:40:06,742 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:40:06,742 INFO L371 AbstractCegarLoop]: === Iteration 16 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:40:06,742 INFO L82 PathProgramCache]: Analyzing trace with hash 1249820704, now seen corresponding path program 1 times [2018-02-04 02:40:06,743 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:40:06,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:40:06,750 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:40:06,866 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-02-04 02:40:06,866 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:40:06,866 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-02-04 02:40:06,866 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:40:06,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:06,867 INFO L182 omatonBuilderFactory]: Interpolants [4768#false, 4769#(and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)), 4770#(and (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= main_~p~0.offset main_~a~0.offset) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 4771#(and (not (= main_~p~0.base |main_#t~malloc5.base|)) (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)), 4772#(and (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)), 4773#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)), 4774#(and (not (= main_~a~0.base |main_#t~mem7.base|)) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))), 4775#(= 1 (select (select (store |#memory_int| main_~p~0.base (store (select |#memory_int| main_~p~0.base) main_~p~0.offset 3)) main_~a~0.base) main_~a~0.offset)), 4776#(= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset)), 4777#(= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)), 4778#(= 1 |main_#t~mem16|), 4767#true] [2018-02-04 02:40:06,867 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-02-04 02:40:06,867 INFO L409 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-02-04 02:40:06,867 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-02-04 02:40:06,867 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2018-02-04 02:40:06,867 INFO L87 Difference]: Start difference. First operand 145 states and 166 transitions. Second operand 12 states. [2018-02-04 02:40:07,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:40:07,096 INFO L93 Difference]: Finished difference Result 217 states and 240 transitions. [2018-02-04 02:40:07,096 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-02-04 02:40:07,096 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 41 [2018-02-04 02:40:07,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:40:07,096 INFO L225 Difference]: With dead ends: 217 [2018-02-04 02:40:07,096 INFO L226 Difference]: Without dead ends: 217 [2018-02-04 02:40:07,097 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2018-02-04 02:40:07,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2018-02-04 02:40:07,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 145. [2018-02-04 02:40:07,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2018-02-04 02:40:07,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 165 transitions. [2018-02-04 02:40:07,100 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 165 transitions. Word has length 41 [2018-02-04 02:40:07,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:40:07,100 INFO L432 AbstractCegarLoop]: Abstraction has 145 states and 165 transitions. [2018-02-04 02:40:07,100 INFO L433 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-02-04 02:40:07,100 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 165 transitions. [2018-02-04 02:40:07,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-02-04 02:40:07,100 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:40:07,101 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] [2018-02-04 02:40:07,101 INFO L371 AbstractCegarLoop]: === Iteration 17 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:40:07,101 INFO L82 PathProgramCache]: Analyzing trace with hash 543633064, now seen corresponding path program 2 times [2018-02-04 02:40:07,101 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:40:07,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:40:07,115 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:40:07,236 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:07,236 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:40:07,236 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-02-04 02:40:07,236 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:40:07,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:07,237 INFO L182 omatonBuilderFactory]: Interpolants [5155#true, 5156#false, 5157#(= 0 |main_#t~malloc0.offset|), 5158#(= 0 main_~a~0.offset), 5159#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 5160#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 5161#(and (not (= main_~p~0.base |main_#t~malloc5.base|)) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 5162#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 5163#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 5164#(and (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem7.base|) (= (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)) |main_#t~mem7.offset|) (= 0 main_~a~0.offset) (not (= main_~a~0.base |main_#t~mem7.base|))), 5165#(and (= 0 main_~a~0.offset) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 5166#(and (= 0 main_~a~0.offset) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) 3)), 5167#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) 3) (= main_~p~0.offset 0)), 5168#(= (select (select |#memory_int| |main_#t~mem18.base|) |main_#t~mem18.offset|) 3), 5169#(= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3), 5170#(= |main_#t~mem16| 3)] [2018-02-04 02:40:07,237 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:07,237 INFO L409 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-02-04 02:40:07,237 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-02-04 02:40:07,237 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2018-02-04 02:40:07,237 INFO L87 Difference]: Start difference. First operand 145 states and 165 transitions. Second operand 16 states. [2018-02-04 02:40:07,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:40:07,713 INFO L93 Difference]: Finished difference Result 213 states and 233 transitions. [2018-02-04 02:40:07,714 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-02-04 02:40:07,714 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 43 [2018-02-04 02:40:07,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:40:07,714 INFO L225 Difference]: With dead ends: 213 [2018-02-04 02:40:07,714 INFO L226 Difference]: Without dead ends: 213 [2018-02-04 02:40:07,715 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=230, Invalid=892, Unknown=0, NotChecked=0, Total=1122 [2018-02-04 02:40:07,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2018-02-04 02:40:07,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 145. [2018-02-04 02:40:07,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2018-02-04 02:40:07,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 164 transitions. [2018-02-04 02:40:07,717 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 164 transitions. Word has length 43 [2018-02-04 02:40:07,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:40:07,717 INFO L432 AbstractCegarLoop]: Abstraction has 145 states and 164 transitions. [2018-02-04 02:40:07,717 INFO L433 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-02-04 02:40:07,717 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 164 transitions. [2018-02-04 02:40:07,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-02-04 02:40:07,717 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:40:07,717 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] [2018-02-04 02:40:07,717 INFO L371 AbstractCegarLoop]: === Iteration 18 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:40:07,718 INFO L82 PathProgramCache]: Analyzing trace with hash 23596268, now seen corresponding path program 2 times [2018-02-04 02:40:07,718 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:40:07,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:40:07,725 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:40:07,860 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:07,861 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:40:07,861 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-02-04 02:40:07,861 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:40:07,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:07,861 INFO L182 omatonBuilderFactory]: Interpolants [5568#(= 0 main_~a~0.offset), 5569#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 5570#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 5571#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base |main_#t~malloc12.base|)) (= main_~p~0.base main_~a~0.base)), 5572#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 5573#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 5574#(and (not (= main_~a~0.base |main_#t~mem14.base|)) (= 0 main_~a~0.offset) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem14.base|) (= (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)) |main_#t~mem14.offset|)), 5575#(and (= 0 main_~a~0.offset) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 5576#(and (= 0 main_~a~0.offset) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) 3)), 5577#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) 3), 5578#(= (select (select |#memory_int| |main_#t~mem21.base|) |main_#t~mem21.offset|) 3), 5579#(= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3), 5580#(= |main_#t~mem19| 3), 5565#true, 5566#false, 5567#(= 0 |main_#t~malloc0.offset|)] [2018-02-04 02:40:07,861 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:07,861 INFO L409 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-02-04 02:40:07,861 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-02-04 02:40:07,861 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2018-02-04 02:40:07,861 INFO L87 Difference]: Start difference. First operand 145 states and 164 transitions. Second operand 16 states. [2018-02-04 02:40:08,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:40:08,287 INFO L93 Difference]: Finished difference Result 192 states and 210 transitions. [2018-02-04 02:40:08,287 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-02-04 02:40:08,287 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 46 [2018-02-04 02:40:08,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:40:08,288 INFO L225 Difference]: With dead ends: 192 [2018-02-04 02:40:08,288 INFO L226 Difference]: Without dead ends: 192 [2018-02-04 02:40:08,288 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=230, Invalid=892, Unknown=0, NotChecked=0, Total=1122 [2018-02-04 02:40:08,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2018-02-04 02:40:08,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 148. [2018-02-04 02:40:08,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2018-02-04 02:40:08,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 167 transitions. [2018-02-04 02:40:08,290 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 167 transitions. Word has length 46 [2018-02-04 02:40:08,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:40:08,290 INFO L432 AbstractCegarLoop]: Abstraction has 148 states and 167 transitions. [2018-02-04 02:40:08,290 INFO L433 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-02-04 02:40:08,290 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 167 transitions. [2018-02-04 02:40:08,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-02-04 02:40:08,291 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:40:08,291 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] [2018-02-04 02:40:08,291 INFO L371 AbstractCegarLoop]: === Iteration 19 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:40:08,291 INFO L82 PathProgramCache]: Analyzing trace with hash -486326369, now seen corresponding path program 1 times [2018-02-04 02:40:08,292 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:40:08,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:40:08,303 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:40:08,453 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:08,453 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:40:08,453 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-02-04 02:40:08,453 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:40:08,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:08,454 INFO L182 omatonBuilderFactory]: Interpolants [5957#true, 5958#false, 5959#(= 0 |main_#t~malloc0.offset|), 5960#(= 0 main_~a~0.offset), 5961#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 5962#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 5963#(and (not (= main_~p~0.base |main_#t~malloc5.base|)) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 5964#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 5965#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 5966#(and (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem7.base|) (= (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)) |main_#t~mem7.offset|) (= 0 main_~a~0.offset) (not (= main_~a~0.base |main_#t~mem7.base|))), 5967#(and (= 0 main_~a~0.offset) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 5968#(and (= 0 main_~a~0.offset) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) 3)), 5969#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) 3) (= main_~p~0.offset 0)), 5970#(= (select (select |#memory_int| |main_#t~mem18.base|) |main_#t~mem18.offset|) 3), 5971#(= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3), 5972#(= |main_#t~mem19| 3)] [2018-02-04 02:40:08,454 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:08,454 INFO L409 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-02-04 02:40:08,454 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-02-04 02:40:08,454 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2018-02-04 02:40:08,455 INFO L87 Difference]: Start difference. First operand 148 states and 167 transitions. Second operand 16 states. [2018-02-04 02:40:09,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:40:09,026 INFO L93 Difference]: Finished difference Result 198 states and 215 transitions. [2018-02-04 02:40:09,026 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-02-04 02:40:09,026 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 46 [2018-02-04 02:40:09,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:40:09,027 INFO L225 Difference]: With dead ends: 198 [2018-02-04 02:40:09,027 INFO L226 Difference]: Without dead ends: 198 [2018-02-04 02:40:09,027 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 183 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=230, Invalid=892, Unknown=0, NotChecked=0, Total=1122 [2018-02-04 02:40:09,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2018-02-04 02:40:09,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 145. [2018-02-04 02:40:09,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2018-02-04 02:40:09,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 163 transitions. [2018-02-04 02:40:09,029 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 163 transitions. Word has length 46 [2018-02-04 02:40:09,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:40:09,029 INFO L432 AbstractCegarLoop]: Abstraction has 145 states and 163 transitions. [2018-02-04 02:40:09,029 INFO L433 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-02-04 02:40:09,029 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 163 transitions. [2018-02-04 02:40:09,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-02-04 02:40:09,030 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:40:09,030 INFO L351 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:40:09,030 INFO L371 AbstractCegarLoop]: === Iteration 20 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:40:09,030 INFO L82 PathProgramCache]: Analyzing trace with hash 1639108275, now seen corresponding path program 2 times [2018-02-04 02:40:09,031 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:40:09,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:40:09,042 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:40:09,251 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:09,251 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:40:09,251 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-02-04 02:40:09,251 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:40:09,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:09,252 INFO L182 omatonBuilderFactory]: Interpolants [6368#(= |main_#t~mem16| 2), 6352#true, 6353#false, 6354#(and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)), 6355#(and (= main_~p~0.offset main_~a~0.offset) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 2)), 6356#(and (= main_~p~0.offset main_~a~0.offset) (not (= main_~p~0.base |main_#t~malloc12.base|)) (= main_~p~0.base main_~a~0.base) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 2)), 6357#(and (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 2)), 6358#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 2)), 6359#(and (= (select |#valid| main_~a~0.base) 1) (not (= main_~a~0.base |main_#t~mem14.base|)) (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 2)), 6360#(and (= (select |#valid| main_~a~0.base) 1) (= (select (select (store |#memory_int| main_~p~0.base (store (select |#memory_int| main_~p~0.base) main_~p~0.offset 2)) main_~a~0.base) main_~a~0.offset) 2) (not (= main_~p~0.base main_~a~0.base))), 6361#(and (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 2) (not (= main_~a~0.base |main_#t~malloc12.base|)) (not (= main_~p~0.base main_~a~0.base))), 6362#(and (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 2) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base main_~t~0.base))), 6363#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 2)), 6364#(and (not (= main_~a~0.base |main_#t~mem14.base|)) (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 2)), 6365#(= (select (select (store |#memory_int| main_~p~0.base (store (select |#memory_int| main_~p~0.base) main_~p~0.offset 3)) main_~a~0.base) main_~a~0.offset) 2), 6366#(= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 2), 6367#(= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 2)] [2018-02-04 02:40:09,252 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:09,252 INFO L409 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-02-04 02:40:09,252 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-02-04 02:40:09,252 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=216, Unknown=0, NotChecked=0, Total=272 [2018-02-04 02:40:09,253 INFO L87 Difference]: Start difference. First operand 145 states and 163 transitions. Second operand 17 states. [2018-02-04 02:40:09,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:40:09,710 INFO L93 Difference]: Finished difference Result 215 states and 235 transitions. [2018-02-04 02:40:09,710 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-02-04 02:40:09,710 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 49 [2018-02-04 02:40:09,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:40:09,711 INFO L225 Difference]: With dead ends: 215 [2018-02-04 02:40:09,711 INFO L226 Difference]: Without dead ends: 215 [2018-02-04 02:40:09,711 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=165, Invalid=537, Unknown=0, NotChecked=0, Total=702 [2018-02-04 02:40:09,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2018-02-04 02:40:09,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 161. [2018-02-04 02:40:09,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2018-02-04 02:40:09,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 181 transitions. [2018-02-04 02:40:09,714 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 181 transitions. Word has length 49 [2018-02-04 02:40:09,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:40:09,714 INFO L432 AbstractCegarLoop]: Abstraction has 161 states and 181 transitions. [2018-02-04 02:40:09,714 INFO L433 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-02-04 02:40:09,714 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 181 transitions. [2018-02-04 02:40:09,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-02-04 02:40:09,715 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:40:09,715 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] [2018-02-04 02:40:09,715 INFO L371 AbstractCegarLoop]: === Iteration 21 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:40:09,715 INFO L82 PathProgramCache]: Analyzing trace with hash 1378591901, now seen corresponding path program 1 times [2018-02-04 02:40:09,716 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:40:09,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:40:09,728 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:40:09,994 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 02:40:09,994 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:40:09,995 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-02-04 02:40:09,995 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:40:09,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:09,995 INFO L182 omatonBuilderFactory]: Interpolants [6784#(= 1 (select |#valid| main_~p~0.base)), 6765#true, 6766#false, 6767#(= 0 |main_#t~malloc0.offset|), 6768#(= 0 main_~a~0.offset), 6769#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 6770#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 6771#(and (not (= main_~p~0.base |main_#t~malloc5.base|)) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 6772#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 6773#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 6774#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base |main_#t~mem7.base|))), 6775#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 6776#(and (= 0 main_~a~0.offset) (not (= main_~a~0.base |main_#t~malloc12.base|)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 6777#(and (= 0 main_~a~0.offset) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base main_~t~0.base))), 6778#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 main_~a~0.offset) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 6779#(and (not (= main_~a~0.base |main_#t~mem14.base|)) (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))))), 6780#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= main_~p~0.base main_~a~0.base))), 6781#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))))), 6782#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0)), 6783#(= 1 (select |#valid| |main_#t~mem18.base|))] [2018-02-04 02:40:09,995 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 02:40:09,995 INFO L409 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-02-04 02:40:09,996 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-02-04 02:40:09,996 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=319, Unknown=0, NotChecked=0, Total=380 [2018-02-04 02:40:09,996 INFO L87 Difference]: Start difference. First operand 161 states and 181 transitions. Second operand 20 states. [2018-02-04 02:40:10,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:40:10,787 INFO L93 Difference]: Finished difference Result 253 states and 281 transitions. [2018-02-04 02:40:10,787 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-02-04 02:40:10,787 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 49 [2018-02-04 02:40:10,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:40:10,788 INFO L225 Difference]: With dead ends: 253 [2018-02-04 02:40:10,788 INFO L226 Difference]: Without dead ends: 253 [2018-02-04 02:40:10,788 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 323 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=368, Invalid=1438, Unknown=0, NotChecked=0, Total=1806 [2018-02-04 02:40:10,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2018-02-04 02:40:10,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 181. [2018-02-04 02:40:10,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2018-02-04 02:40:10,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 205 transitions. [2018-02-04 02:40:10,791 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 205 transitions. Word has length 49 [2018-02-04 02:40:10,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:40:10,792 INFO L432 AbstractCegarLoop]: Abstraction has 181 states and 205 transitions. [2018-02-04 02:40:10,792 INFO L433 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-02-04 02:40:10,792 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 205 transitions. [2018-02-04 02:40:10,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-02-04 02:40:10,792 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:40:10,792 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] [2018-02-04 02:40:10,793 INFO L371 AbstractCegarLoop]: === Iteration 22 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:40:10,793 INFO L82 PathProgramCache]: Analyzing trace with hash 1378591902, now seen corresponding path program 1 times [2018-02-04 02:40:10,793 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:40:10,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:40:10,807 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:40:11,109 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 02:40:11,110 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:40:11,110 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-02-04 02:40:11,110 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:40:11,110 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 02:40:11,110 INFO L182 omatonBuilderFactory]: Interpolants [7265#true, 7266#false, 7267#(= 0 |main_#t~malloc0.offset|), 7268#(= 0 main_~a~0.offset), 7269#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 7270#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 7271#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~p~0.base |main_#t~malloc5.base|)) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 7272#(and (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 7273#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 7274#(and (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem7.base|) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base |main_#t~mem7.base|)) (= 0 |main_#t~mem7.offset|)), 7275#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 7276#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (not (= main_~a~0.base |main_#t~malloc12.base|)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 7277#(and (= 0 main_~a~0.offset) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base main_~t~0.base))), 7278#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (<= (+ main_~p~0.offset 8) (select |#length| main_~p~0.base))), 7279#(and (not (= main_~a~0.base |main_#t~mem14.base|)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))), 7280#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 7281#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))), 7282#(and (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))))), 7283#(and (<= 8 (select |#length| |main_#t~mem18.base|)) (= 0 |main_#t~mem18.offset|)), 7284#(and (= main_~p~0.offset 0) (<= 8 (select |#length| main_~p~0.base)))] [2018-02-04 02:40:11,110 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 02:40:11,111 INFO L409 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-02-04 02:40:11,111 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-02-04 02:40:11,111 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=320, Unknown=0, NotChecked=0, Total=380 [2018-02-04 02:40:11,111 INFO L87 Difference]: Start difference. First operand 181 states and 205 transitions. Second operand 20 states. [2018-02-04 02:40:12,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:40:12,120 INFO L93 Difference]: Finished difference Result 277 states and 308 transitions. [2018-02-04 02:40:12,121 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-02-04 02:40:12,121 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 49 [2018-02-04 02:40:12,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:40:12,122 INFO L225 Difference]: With dead ends: 277 [2018-02-04 02:40:12,122 INFO L226 Difference]: Without dead ends: 277 [2018-02-04 02:40:12,122 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 347 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=359, Invalid=1621, Unknown=0, NotChecked=0, Total=1980 [2018-02-04 02:40:12,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2018-02-04 02:40:12,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 185. [2018-02-04 02:40:12,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2018-02-04 02:40:12,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 210 transitions. [2018-02-04 02:40:12,125 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 210 transitions. Word has length 49 [2018-02-04 02:40:12,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:40:12,125 INFO L432 AbstractCegarLoop]: Abstraction has 185 states and 210 transitions. [2018-02-04 02:40:12,125 INFO L433 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-02-04 02:40:12,125 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 210 transitions. [2018-02-04 02:40:12,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-02-04 02:40:12,125 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:40:12,125 INFO L351 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:40:12,126 INFO L371 AbstractCegarLoop]: === Iteration 23 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:40:12,126 INFO L82 PathProgramCache]: Analyzing trace with hash -979542797, now seen corresponding path program 3 times [2018-02-04 02:40:12,126 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:40:12,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:40:12,133 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:40:12,341 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 02:40:12,341 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:40:12,341 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-02-04 02:40:12,341 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:40:12,341 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 02:40:12,342 INFO L182 omatonBuilderFactory]: Interpolants [7808#(and (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base |main_#t~malloc5.base|))), 7809#(and (= 0 main_~a~0.offset) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base main_~t~0.base))), 7810#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))))), 7811#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= main_~a~0.base |main_#t~mem7.base|))), 7812#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= main_~p~0.base main_~a~0.base))), 7813#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))))), 7814#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0)), 7815#(= 1 (select |#valid| |main_#t~mem18.base|)), 7816#(= 1 (select |#valid| main_~p~0.base)), 7797#true, 7798#false, 7799#(= 0 |main_#t~malloc0.offset|), 7800#(= 0 main_~a~0.offset), 7801#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 7802#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 7803#(and (not (= main_~p~0.base |main_#t~malloc5.base|)) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 7804#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 7805#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 7806#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base |main_#t~mem7.base|))), 7807#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)))] [2018-02-04 02:40:12,342 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 02:40:12,342 INFO L409 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-02-04 02:40:12,342 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-02-04 02:40:12,342 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=320, Unknown=0, NotChecked=0, Total=380 [2018-02-04 02:40:12,343 INFO L87 Difference]: Start difference. First operand 185 states and 210 transitions. Second operand 20 states. [2018-02-04 02:40:13,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:40:13,078 INFO L93 Difference]: Finished difference Result 283 states and 318 transitions. [2018-02-04 02:40:13,079 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-02-04 02:40:13,079 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 49 [2018-02-04 02:40:13,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:40:13,079 INFO L225 Difference]: With dead ends: 283 [2018-02-04 02:40:13,079 INFO L226 Difference]: Without dead ends: 283 [2018-02-04 02:40:13,080 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 298 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=359, Invalid=1363, Unknown=0, NotChecked=0, Total=1722 [2018-02-04 02:40:13,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2018-02-04 02:40:13,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 209. [2018-02-04 02:40:13,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2018-02-04 02:40:13,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 240 transitions. [2018-02-04 02:40:13,082 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 240 transitions. Word has length 49 [2018-02-04 02:40:13,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:40:13,082 INFO L432 AbstractCegarLoop]: Abstraction has 209 states and 240 transitions. [2018-02-04 02:40:13,082 INFO L433 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-02-04 02:40:13,082 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 240 transitions. [2018-02-04 02:40:13,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-02-04 02:40:13,082 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:40:13,082 INFO L351 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:40:13,082 INFO L371 AbstractCegarLoop]: === Iteration 24 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:40:13,083 INFO L82 PathProgramCache]: Analyzing trace with hash -979542796, now seen corresponding path program 2 times [2018-02-04 02:40:13,083 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:40:13,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:40:13,090 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:40:13,393 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 02:40:13,393 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:40:13,393 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-02-04 02:40:13,393 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:40:13,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:13,393 INFO L182 omatonBuilderFactory]: Interpolants [8353#true, 8354#false, 8355#(= 0 |main_#t~malloc0.offset|), 8356#(= 0 main_~a~0.offset), 8357#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 8358#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 8359#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~p~0.base |main_#t~malloc5.base|)) (= 0 main_~a~0.offset) (= 8 (select |#length| |main_#t~malloc5.base|)) (= main_~p~0.offset 0) (= (select |#valid| |main_#t~malloc5.base|) 1) (= main_~p~0.base main_~a~0.base)), 8360#(and (= 8 (select |#length| main_~t~0.base)) (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= (select |#valid| main_~t~0.base) 1)), 8361#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 1) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 8362#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 8 (select |#length| |main_#t~mem7.base|)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base |main_#t~mem7.base|)) (= (select |#valid| |main_#t~mem7.base|) 1)), 8363#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base)) (= 8 (select |#length| main_~p~0.base))), 8364#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (= 8 (select |#length| main_~p~0.base)) (not (= main_~a~0.base |main_#t~malloc5.base|))), 8365#(and (= 0 main_~a~0.offset) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (= 8 (select |#length| main_~p~0.base)) (not (= main_~a~0.base main_~t~0.base))), 8366#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= 8 (select |#length| main_~p~0.base))), 8367#(and (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base |main_#t~mem7.base|))), 8368#(and (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 8369#(and (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))), 8370#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 8371#(and (= 8 (select |#length| |main_#t~mem18.base|)) (= 0 |main_#t~mem18.offset|)), 8372#(and (= (select |#length| main_~p~0.base) 8) (= main_~p~0.offset 0))] [2018-02-04 02:40:13,394 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 02:40:13,394 INFO L409 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-02-04 02:40:13,394 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-02-04 02:40:13,394 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=313, Unknown=0, NotChecked=0, Total=380 [2018-02-04 02:40:13,394 INFO L87 Difference]: Start difference. First operand 209 states and 240 transitions. Second operand 20 states. [2018-02-04 02:40:14,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:40:14,279 INFO L93 Difference]: Finished difference Result 311 states and 349 transitions. [2018-02-04 02:40:14,279 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-02-04 02:40:14,279 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 49 [2018-02-04 02:40:14,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:40:14,280 INFO L225 Difference]: With dead ends: 311 [2018-02-04 02:40:14,280 INFO L226 Difference]: Without dead ends: 311 [2018-02-04 02:40:14,281 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 248 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=299, Invalid=1183, Unknown=0, NotChecked=0, Total=1482 [2018-02-04 02:40:14,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2018-02-04 02:40:14,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 196. [2018-02-04 02:40:14,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 196 states. [2018-02-04 02:40:14,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 223 transitions. [2018-02-04 02:40:14,283 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 223 transitions. Word has length 49 [2018-02-04 02:40:14,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:40:14,283 INFO L432 AbstractCegarLoop]: Abstraction has 196 states and 223 transitions. [2018-02-04 02:40:14,283 INFO L433 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-02-04 02:40:14,283 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 223 transitions. [2018-02-04 02:40:14,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-02-04 02:40:14,284 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:40:14,284 INFO L351 BasicCegarLoop]: trace histogram [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 02:40:14,284 INFO L371 AbstractCegarLoop]: === Iteration 25 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:40:14,284 INFO L82 PathProgramCache]: Analyzing trace with hash 457917779, now seen corresponding path program 1 times [2018-02-04 02:40:14,284 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:40:14,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:40:14,291 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:40:14,311 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-02-04 02:40:14,311 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:40:14,311 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2018-02-04 02:40:14,312 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:40:14,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:14,312 INFO L182 omatonBuilderFactory]: Interpolants [8918#true, 8919#false, 8920#(and (= main_~y~0 0) (= main_~i~0 0)), 8921#(and (<= main_~y~0 1) (= main_~i~0 0))] [2018-02-04 02:40:14,312 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-02-04 02:40:14,312 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 02:40:14,312 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 02:40:14,313 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-02-04 02:40:14,313 INFO L87 Difference]: Start difference. First operand 196 states and 223 transitions. Second operand 4 states. [2018-02-04 02:40:14,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:40:14,330 INFO L93 Difference]: Finished difference Result 210 states and 237 transitions. [2018-02-04 02:40:14,331 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-02-04 02:40:14,331 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2018-02-04 02:40:14,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:40:14,332 INFO L225 Difference]: With dead ends: 210 [2018-02-04 02:40:14,332 INFO L226 Difference]: Without dead ends: 195 [2018-02-04 02:40:14,332 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-02-04 02:40:14,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2018-02-04 02:40:14,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 192. [2018-02-04 02:40:14,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2018-02-04 02:40:14,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 221 transitions. [2018-02-04 02:40:14,334 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 221 transitions. Word has length 51 [2018-02-04 02:40:14,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:40:14,335 INFO L432 AbstractCegarLoop]: Abstraction has 192 states and 221 transitions. [2018-02-04 02:40:14,335 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 02:40:14,335 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 221 transitions. [2018-02-04 02:40:14,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-02-04 02:40:14,335 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:40:14,335 INFO L351 BasicCegarLoop]: trace histogram [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 02:40:14,336 INFO L371 AbstractCegarLoop]: === Iteration 26 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:40:14,336 INFO L82 PathProgramCache]: Analyzing trace with hash -2041394560, now seen corresponding path program 1 times [2018-02-04 02:40:14,336 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:40:14,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:40:14,353 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:40:14,378 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-02-04 02:40:14,378 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:40:14,379 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2018-02-04 02:40:14,379 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:40:14,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:14,379 INFO L182 omatonBuilderFactory]: Interpolants [9324#true, 9325#false, 9326#(and (= main_~y~0 0) (= main_~i~0 0)), 9327#(and (= main_~y~0 0) (<= main_~i~0 1))] [2018-02-04 02:40:14,379 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-02-04 02:40:14,379 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 02:40:14,379 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 02:40:14,380 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-02-04 02:40:14,380 INFO L87 Difference]: Start difference. First operand 192 states and 221 transitions. Second operand 4 states. [2018-02-04 02:40:14,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:40:14,396 INFO L93 Difference]: Finished difference Result 206 states and 236 transitions. [2018-02-04 02:40:14,396 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-02-04 02:40:14,397 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2018-02-04 02:40:14,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:40:14,397 INFO L225 Difference]: With dead ends: 206 [2018-02-04 02:40:14,397 INFO L226 Difference]: Without dead ends: 191 [2018-02-04 02:40:14,398 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-02-04 02:40:14,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2018-02-04 02:40:14,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 185. [2018-02-04 02:40:14,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2018-02-04 02:40:14,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 216 transitions. [2018-02-04 02:40:14,400 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 216 transitions. Word has length 51 [2018-02-04 02:40:14,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:40:14,401 INFO L432 AbstractCegarLoop]: Abstraction has 185 states and 216 transitions. [2018-02-04 02:40:14,401 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 02:40:14,401 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 216 transitions. [2018-02-04 02:40:14,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-02-04 02:40:14,401 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:40:14,401 INFO L351 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:40:14,401 INFO L371 AbstractCegarLoop]: === Iteration 27 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:40:14,402 INFO L82 PathProgramCache]: Analyzing trace with hash 1654169524, now seen corresponding path program 3 times [2018-02-04 02:40:14,402 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:40:14,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:40:14,412 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:40:14,625 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 02:40:14,625 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:40:14,625 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-02-04 02:40:14,625 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:40:14,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:14,625 INFO L182 omatonBuilderFactory]: Interpolants [9728#(and (= (select |#valid| main_~a~0.base) 1) (not (= main_~a~0.base |main_#t~mem14.base|)) (= 0 main_~a~0.offset) (= |main_#t~mem14.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 9729#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 9730#(and (= 0 main_~a~0.offset) (not (= main_~a~0.base |main_#t~malloc12.base|)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 9731#(and (= 0 main_~a~0.offset) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base main_~t~0.base))), 9732#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 main_~a~0.offset) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 9733#(and (not (= main_~a~0.base |main_#t~mem14.base|)) (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))))), 9734#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= main_~p~0.base main_~a~0.base))), 9735#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))))), 9736#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))), 9737#(= 1 (select |#valid| |main_#t~mem21.base|)), 9738#(= 1 (select |#valid| main_~p~0.base)), 9719#true, 9720#false, 9721#(= 0 |main_#t~malloc0.offset|), 9722#(= 0 main_~a~0.offset), 9723#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 9724#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 9725#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base |main_#t~malloc12.base|)) (= main_~p~0.base main_~a~0.base)), 9726#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 9727#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base main_~a~0.base))] [2018-02-04 02:40:14,625 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 02:40:14,626 INFO L409 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-02-04 02:40:14,626 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-02-04 02:40:14,626 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=319, Unknown=0, NotChecked=0, Total=380 [2018-02-04 02:40:14,626 INFO L87 Difference]: Start difference. First operand 185 states and 216 transitions. Second operand 20 states. [2018-02-04 02:40:15,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:40:15,161 INFO L93 Difference]: Finished difference Result 248 states and 284 transitions. [2018-02-04 02:40:15,162 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-02-04 02:40:15,162 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 52 [2018-02-04 02:40:15,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:40:15,163 INFO L225 Difference]: With dead ends: 248 [2018-02-04 02:40:15,163 INFO L226 Difference]: Without dead ends: 248 [2018-02-04 02:40:15,163 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 249 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=291, Invalid=1191, Unknown=0, NotChecked=0, Total=1482 [2018-02-04 02:40:15,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2018-02-04 02:40:15,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 206. [2018-02-04 02:40:15,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 206 states. [2018-02-04 02:40:15,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 239 transitions. [2018-02-04 02:40:15,166 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 239 transitions. Word has length 52 [2018-02-04 02:40:15,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:40:15,166 INFO L432 AbstractCegarLoop]: Abstraction has 206 states and 239 transitions. [2018-02-04 02:40:15,167 INFO L433 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-02-04 02:40:15,167 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 239 transitions. [2018-02-04 02:40:15,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-02-04 02:40:15,167 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:40:15,167 INFO L351 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:40:15,167 INFO L371 AbstractCegarLoop]: === Iteration 28 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:40:15,168 INFO L82 PathProgramCache]: Analyzing trace with hash 1654169525, now seen corresponding path program 2 times [2018-02-04 02:40:15,168 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:40:15,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:40:15,178 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:40:15,430 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 02:40:15,430 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:40:15,430 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-02-04 02:40:15,430 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:40:15,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:15,431 INFO L182 omatonBuilderFactory]: Interpolants [10240#(and (= (select |#valid| main_~a~0.base) 1) (not (= main_~a~0.base |main_#t~mem14.base|)) (= 0 main_~a~0.offset) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem14.base|) (= 0 |main_#t~mem14.offset|) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))), 10241#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 10242#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (not (= main_~a~0.base |main_#t~malloc12.base|)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 10243#(and (= 0 main_~a~0.offset) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base main_~t~0.base))), 10244#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (<= (+ main_~p~0.offset 8) (select |#length| main_~p~0.base))), 10245#(and (not (= main_~a~0.base |main_#t~mem14.base|)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))), 10246#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 10247#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))), 10248#(and (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))))), 10249#(and (= 0 |main_#t~mem21.offset|) (<= 8 (select |#length| |main_#t~mem21.base|))), 10250#(and (= main_~p~0.offset 0) (<= 8 (select |#length| main_~p~0.base))), 10231#true, 10232#false, 10233#(= 0 |main_#t~malloc0.offset|), 10234#(= 0 main_~a~0.offset), 10235#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 10236#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 10237#(and (= 0 main_~a~0.offset) (= 0 |main_#t~malloc12.offset|) (= main_~p~0.offset 0) (not (= main_~p~0.base |main_#t~malloc12.base|)) (= main_~p~0.base main_~a~0.base)), 10238#(and (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 10239#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base main_~a~0.base))] [2018-02-04 02:40:15,431 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 02:40:15,431 INFO L409 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-02-04 02:40:15,431 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-02-04 02:40:15,431 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=320, Unknown=0, NotChecked=0, Total=380 [2018-02-04 02:40:15,432 INFO L87 Difference]: Start difference. First operand 206 states and 239 transitions. Second operand 20 states. [2018-02-04 02:40:16,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:40:16,157 INFO L93 Difference]: Finished difference Result 268 states and 303 transitions. [2018-02-04 02:40:16,157 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-02-04 02:40:16,157 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 52 [2018-02-04 02:40:16,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:40:16,158 INFO L225 Difference]: With dead ends: 268 [2018-02-04 02:40:16,158 INFO L226 Difference]: Without dead ends: 267 [2018-02-04 02:40:16,158 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 245 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=296, Invalid=1264, Unknown=0, NotChecked=0, Total=1560 [2018-02-04 02:40:16,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2018-02-04 02:40:16,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 206. [2018-02-04 02:40:16,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 206 states. [2018-02-04 02:40:16,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 239 transitions. [2018-02-04 02:40:16,160 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 239 transitions. Word has length 52 [2018-02-04 02:40:16,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:40:16,161 INFO L432 AbstractCegarLoop]: Abstraction has 206 states and 239 transitions. [2018-02-04 02:40:16,161 INFO L433 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-02-04 02:40:16,161 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 239 transitions. [2018-02-04 02:40:16,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-02-04 02:40:16,161 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:40:16,161 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] [2018-02-04 02:40:16,161 INFO L371 AbstractCegarLoop]: === Iteration 29 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:40:16,161 INFO L82 PathProgramCache]: Analyzing trace with hash 1616775562, now seen corresponding path program 1 times [2018-02-04 02:40:16,162 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:40:16,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:40:16,168 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:40:16,353 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-02-04 02:40:16,354 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:40:16,354 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-02-04 02:40:16,354 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:40:16,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:16,354 INFO L182 omatonBuilderFactory]: Interpolants [10765#true, 10766#false, 10767#(and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)), 10768#(and (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= main_~p~0.offset main_~a~0.offset) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 10769#(and (not (= main_~p~0.base |main_#t~malloc5.base|)) (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)), 10770#(and (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)), 10771#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= main_~p~0.offset main_~a~0.offset) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 10772#(and (= (select |#valid| main_~a~0.base) 1) (not (= main_~a~0.base |main_#t~mem7.base|)) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))), 10773#(and (= (select |#valid| main_~a~0.base) 1) (not (= main_~p~0.base main_~a~0.base)) (= 1 (select (select (store |#memory_int| main_~p~0.base (store (select |#memory_int| main_~p~0.base) main_~p~0.offset 2)) main_~a~0.base) main_~a~0.offset))), 10774#(and (not (= main_~a~0.base |main_#t~malloc12.base|)) (not (= main_~p~0.base main_~a~0.base)) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))), 10775#(and (not (= main_~p~0.base main_~a~0.base)) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset)) (not (= main_~a~0.base main_~t~0.base))), 10776#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))), 10777#(and (not (= main_~a~0.base |main_#t~mem14.base|)) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))), 10778#(= 1 (select (select (store |#memory_int| main_~p~0.base (store (select |#memory_int| main_~p~0.base) main_~p~0.offset 3)) main_~a~0.base) main_~a~0.offset)), 10779#(= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset)), 10780#(= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)), 10781#(= 1 |main_#t~mem16|)] [2018-02-04 02:40:16,354 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-02-04 02:40:16,355 INFO L409 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-02-04 02:40:16,355 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-02-04 02:40:16,355 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2018-02-04 02:40:16,355 INFO L87 Difference]: Start difference. First operand 206 states and 239 transitions. Second operand 17 states. [2018-02-04 02:40:16,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:40:16,814 INFO L93 Difference]: Finished difference Result 309 states and 354 transitions. [2018-02-04 02:40:16,814 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-02-04 02:40:16,814 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 52 [2018-02-04 02:40:16,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:40:16,815 INFO L225 Difference]: With dead ends: 309 [2018-02-04 02:40:16,815 INFO L226 Difference]: Without dead ends: 309 [2018-02-04 02:40:16,816 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=199, Invalid=731, Unknown=0, NotChecked=0, Total=930 [2018-02-04 02:40:16,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2018-02-04 02:40:16,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 231. [2018-02-04 02:40:16,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2018-02-04 02:40:16,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 268 transitions. [2018-02-04 02:40:16,820 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 268 transitions. Word has length 52 [2018-02-04 02:40:16,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:40:16,820 INFO L432 AbstractCegarLoop]: Abstraction has 231 states and 268 transitions. [2018-02-04 02:40:16,820 INFO L433 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-02-04 02:40:16,820 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 268 transitions. [2018-02-04 02:40:16,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-02-04 02:40:16,821 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:40:16,821 INFO L351 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:40:16,821 INFO L371 AbstractCegarLoop]: === Iteration 30 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:40:16,821 INFO L82 PathProgramCache]: Analyzing trace with hash -1088919180, now seen corresponding path program 2 times [2018-02-04 02:40:16,822 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:40:16,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:40:16,829 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:40:17,017 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-02-04 02:40:17,017 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:40:17,017 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-02-04 02:40:17,017 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:40:17,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:17,017 INFO L182 omatonBuilderFactory]: Interpolants [11360#(and (not (= main_~p~0.base main_~a~0.base)) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset)) (not (= main_~a~0.base main_~t~0.base))), 11361#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))), 11362#(and (not (= main_~a~0.base |main_#t~mem7.base|)) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))), 11363#(= 1 (select (select (store |#memory_int| main_~p~0.base (store (select |#memory_int| main_~p~0.base) main_~p~0.offset 3)) main_~a~0.base) main_~a~0.offset)), 11364#(= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset)), 11365#(= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)), 11366#(= 1 |main_#t~mem16|), 11350#true, 11351#false, 11352#(and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)), 11353#(and (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= main_~p~0.offset main_~a~0.offset) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 11354#(and (not (= main_~p~0.base |main_#t~malloc5.base|)) (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)), 11355#(and (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)), 11356#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= main_~p~0.offset main_~a~0.offset) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 11357#(and (= (select |#valid| main_~a~0.base) 1) (not (= main_~a~0.base |main_#t~mem7.base|)) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))), 11358#(and (= (select |#valid| main_~a~0.base) 1) (= 1 (select (select (store |#memory_int| main_~p~0.base (store (select |#memory_int| main_~p~0.base) main_~p~0.offset 1)) main_~a~0.base) main_~a~0.offset)) (not (= main_~p~0.base main_~a~0.base))), 11359#(and (not (= main_~p~0.base main_~a~0.base)) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset)) (not (= main_~a~0.base |main_#t~malloc5.base|)))] [2018-02-04 02:40:17,017 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-02-04 02:40:17,017 INFO L409 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-02-04 02:40:17,017 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-02-04 02:40:17,018 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=216, Unknown=0, NotChecked=0, Total=272 [2018-02-04 02:40:17,018 INFO L87 Difference]: Start difference. First operand 231 states and 268 transitions. Second operand 17 states. [2018-02-04 02:40:17,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:40:17,364 INFO L93 Difference]: Finished difference Result 326 states and 374 transitions. [2018-02-04 02:40:17,364 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-02-04 02:40:17,364 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 52 [2018-02-04 02:40:17,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:40:17,365 INFO L225 Difference]: With dead ends: 326 [2018-02-04 02:40:17,365 INFO L226 Difference]: Without dead ends: 326 [2018-02-04 02:40:17,365 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=175, Invalid=581, Unknown=0, NotChecked=0, Total=756 [2018-02-04 02:40:17,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2018-02-04 02:40:17,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 230. [2018-02-04 02:40:17,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2018-02-04 02:40:17,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 268 transitions. [2018-02-04 02:40:17,369 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 268 transitions. Word has length 52 [2018-02-04 02:40:17,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:40:17,369 INFO L432 AbstractCegarLoop]: Abstraction has 230 states and 268 transitions. [2018-02-04 02:40:17,369 INFO L433 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-02-04 02:40:17,369 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 268 transitions. [2018-02-04 02:40:17,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-02-04 02:40:17,370 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:40:17,370 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] [2018-02-04 02:40:17,370 INFO L371 AbstractCegarLoop]: === Iteration 31 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:40:17,370 INFO L82 PathProgramCache]: Analyzing trace with hash 999933330, now seen corresponding path program 2 times [2018-02-04 02:40:17,371 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:40:17,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:40:17,384 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:40:17,836 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:17,836 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:40:17,836 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-02-04 02:40:17,836 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:40:17,836 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 02:40:17,836 INFO L182 omatonBuilderFactory]: Interpolants [11945#true, 11946#false, 11947#(= 0 |main_#t~malloc0.offset|), 11948#(= 0 main_~a~0.offset), 11949#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 11950#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 11951#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~p~0.base |main_#t~malloc5.base|)) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 11952#(and (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 11953#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 11954#(and (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem7.base|) (= (select |#valid| main_~a~0.base) 1) (= (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)) |main_#t~mem7.offset|) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base |main_#t~mem7.base|))), 11955#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 11956#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base)) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 2)), 11957#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base |main_#t~malloc12.base|)) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base |main_#t~malloc12.base|)) (not (= main_~p~0.base main_~a~0.base)) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 2)), 11958#(and (= main_~p~0.offset (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~t~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 2) (not (= main_~a~0.base main_~t~0.base))), 11959#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 2)), 11960#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) 2) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem14.base|)) (not (= main_~a~0.base |main_#t~mem14.base|)) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))), 11961#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= (select (select (store |#memory_int| main_~p~0.base (store (select |#memory_int| main_~p~0.base) main_~p~0.offset 3)) (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) 2) (not (= main_~p~0.base main_~a~0.base))), 11962#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) 2) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))), 11963#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) 2) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 11964#(and (= 0 |main_#t~mem18.offset|) (= (select (select |#memory_int| |main_#t~mem18.base|) |main_#t~mem18.offset|) 2)), 11965#(= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 2), 11966#(= |main_#t~mem16| 2)] [2018-02-04 02:40:17,837 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:17,837 INFO L409 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-02-04 02:40:17,837 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-02-04 02:40:17,837 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=391, Unknown=0, NotChecked=0, Total=462 [2018-02-04 02:40:17,837 INFO L87 Difference]: Start difference. First operand 230 states and 268 transitions. Second operand 22 states. [2018-02-04 02:40:18,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:40:18,718 INFO L93 Difference]: Finished difference Result 293 states and 331 transitions. [2018-02-04 02:40:18,718 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-02-04 02:40:18,718 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 54 [2018-02-04 02:40:18,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:40:18,719 INFO L225 Difference]: With dead ends: 293 [2018-02-04 02:40:18,719 INFO L226 Difference]: Without dead ends: 293 [2018-02-04 02:40:18,719 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 367 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=333, Invalid=1647, Unknown=0, NotChecked=0, Total=1980 [2018-02-04 02:40:18,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2018-02-04 02:40:18,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 240. [2018-02-04 02:40:18,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states. [2018-02-04 02:40:18,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 278 transitions. [2018-02-04 02:40:18,722 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 278 transitions. Word has length 54 [2018-02-04 02:40:18,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:40:18,722 INFO L432 AbstractCegarLoop]: Abstraction has 240 states and 278 transitions. [2018-02-04 02:40:18,722 INFO L433 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-02-04 02:40:18,722 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 278 transitions. [2018-02-04 02:40:18,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-02-04 02:40:18,722 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:40:18,722 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-02-04 02:40:18,722 INFO L371 AbstractCegarLoop]: === Iteration 32 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:40:18,723 INFO L82 PathProgramCache]: Analyzing trace with hash -717499652, now seen corresponding path program 4 times [2018-02-04 02:40:18,723 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:40:18,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:40:18,730 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:40:19,209 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:19,209 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:40:19,209 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-02-04 02:40:19,209 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:40:19,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:19,209 INFO L182 omatonBuilderFactory]: Interpolants [12546#true, 12547#false, 12548#(= 0 |main_#t~malloc0.offset|), 12549#(= 0 main_~a~0.offset), 12550#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 12551#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 12552#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~p~0.base |main_#t~malloc5.base|)) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| |main_#t~malloc5.base|) 1) (= main_~p~0.base main_~a~0.base)), 12553#(and (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= (select |#valid| main_~t~0.base) 1)), 12554#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 1) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 12555#(and (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem7.base|) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base |main_#t~mem7.base|)) (= (select |#valid| |main_#t~mem7.base|) 1) (= 0 |main_#t~mem7.offset|)), 12556#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (not (= main_~p~0.base main_~a~0.base)) (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1)) (<= (+ main_~p~0.offset 1) 0))), 12557#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 12558#(and (not (= main_~p~0.base |main_#t~malloc5.base|)) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= 1 (select |#valid| |main_#t~malloc5.base|)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base |main_#t~malloc5.base|))), 12559#(and (= 0 main_~a~0.offset) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| main_~t~0.base)) (not (= main_~a~0.base main_~t~0.base))), 12560#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 12561#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base |main_#t~mem7.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem7.base|))), 12562#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 12563#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))), 12564#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 12565#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) (+ 0 4)))) (= 0 |main_#t~mem18.offset|)), 12566#(or (<= (+ main_~p~0.offset 1) 0) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0))), 12567#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0)), 12568#(= 1 (select |#valid| |main_#t~mem18.base|)), 12569#(= 1 (select |#valid| main_~p~0.base))] [2018-02-04 02:40:19,210 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:19,210 INFO L409 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-02-04 02:40:19,210 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-02-04 02:40:19,210 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=478, Unknown=0, NotChecked=0, Total=552 [2018-02-04 02:40:19,210 INFO L87 Difference]: Start difference. First operand 240 states and 278 transitions. Second operand 24 states. [2018-02-04 02:40:20,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:40:20,190 INFO L93 Difference]: Finished difference Result 316 states and 361 transitions. [2018-02-04 02:40:20,190 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-02-04 02:40:20,190 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 54 [2018-02-04 02:40:20,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:40:20,191 INFO L225 Difference]: With dead ends: 316 [2018-02-04 02:40:20,191 INFO L226 Difference]: Without dead ends: 316 [2018-02-04 02:40:20,192 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 428 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=359, Invalid=1803, Unknown=0, NotChecked=0, Total=2162 [2018-02-04 02:40:20,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2018-02-04 02:40:20,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 243. [2018-02-04 02:40:20,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2018-02-04 02:40:20,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 282 transitions. [2018-02-04 02:40:20,194 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 282 transitions. Word has length 54 [2018-02-04 02:40:20,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:40:20,195 INFO L432 AbstractCegarLoop]: Abstraction has 243 states and 282 transitions. [2018-02-04 02:40:20,195 INFO L433 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-02-04 02:40:20,195 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 282 transitions. [2018-02-04 02:40:20,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-02-04 02:40:20,196 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:40:20,196 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-02-04 02:40:20,196 INFO L371 AbstractCegarLoop]: === Iteration 33 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:40:20,196 INFO L82 PathProgramCache]: Analyzing trace with hash -717499651, now seen corresponding path program 3 times [2018-02-04 02:40:20,197 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:40:20,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:40:20,210 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:40:20,773 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:20,773 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:40:20,773 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-02-04 02:40:20,773 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:40:20,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:20,774 INFO L182 omatonBuilderFactory]: Interpolants [13184#(and (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem7.base|) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base |main_#t~mem7.base|)) (= (select |#valid| |main_#t~mem7.base|) 1) (= 0 |main_#t~mem7.offset|)), 13185#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (or (<= (+ main_~p~0.offset 1) 0) (and (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1)))), 13186#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 13187#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~p~0.base |main_#t~malloc5.base|)) (= 8 (select |#length| |main_#t~malloc5.base|)) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base |main_#t~malloc5.base|))), 13188#(and (= 8 (select |#length| main_~t~0.base)) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base main_~t~0.base))), 13189#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ 0 4))) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ 0 4))))), 13190#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base |main_#t~mem7.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem7.base|))), 13191#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 13192#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))), 13193#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))), 13194#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem18.base|) (+ 0 4))) (= 0 |main_#t~mem18.offset|)), 13195#(or (<= (+ main_~p~0.offset 1) 0) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))))), 13196#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 13197#(and (= 8 (select |#length| |main_#t~mem18.base|)) (= 0 |main_#t~mem18.offset|)), 13198#(and (= (select |#length| main_~p~0.base) 8) (= main_~p~0.offset 0)), 13175#true, 13176#false, 13177#(= 0 |main_#t~malloc0.offset|), 13178#(= 0 main_~a~0.offset), 13179#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 13180#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 13181#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~p~0.base |main_#t~malloc5.base|)) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| |main_#t~malloc5.base|) 1) (= main_~p~0.base main_~a~0.base)), 13182#(and (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= (select |#valid| main_~t~0.base) 1)), 13183#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 1) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base))] [2018-02-04 02:40:20,774 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:20,774 INFO L409 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-02-04 02:40:20,774 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-02-04 02:40:20,774 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=483, Unknown=0, NotChecked=0, Total=552 [2018-02-04 02:40:20,774 INFO L87 Difference]: Start difference. First operand 243 states and 282 transitions. Second operand 24 states. [2018-02-04 02:40:21,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:40:21,977 INFO L93 Difference]: Finished difference Result 342 states and 390 transitions. [2018-02-04 02:40:21,978 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-02-04 02:40:21,978 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 54 [2018-02-04 02:40:21,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:40:21,979 INFO L225 Difference]: With dead ends: 342 [2018-02-04 02:40:21,979 INFO L226 Difference]: Without dead ends: 342 [2018-02-04 02:40:21,979 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 347 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=284, Invalid=1608, Unknown=0, NotChecked=0, Total=1892 [2018-02-04 02:40:21,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2018-02-04 02:40:21,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 249. [2018-02-04 02:40:21,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249 states. [2018-02-04 02:40:21,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 289 transitions. [2018-02-04 02:40:21,982 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 289 transitions. Word has length 54 [2018-02-04 02:40:21,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:40:21,982 INFO L432 AbstractCegarLoop]: Abstraction has 249 states and 289 transitions. [2018-02-04 02:40:21,982 INFO L433 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-02-04 02:40:21,982 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 289 transitions. [2018-02-04 02:40:21,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-02-04 02:40:21,982 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:40:21,983 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-02-04 02:40:21,983 INFO L371 AbstractCegarLoop]: === Iteration 34 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:40:21,983 INFO L82 PathProgramCache]: Analyzing trace with hash 124111918, now seen corresponding path program 4 times [2018-02-04 02:40:21,983 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:40:21,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:40:21,991 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:40:22,384 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:22,384 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:40:22,384 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-02-04 02:40:22,385 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:40:22,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:22,385 INFO L182 omatonBuilderFactory]: Interpolants [13830#true, 13831#false, 13832#(= 0 |main_#t~malloc0.offset|), 13833#(= 0 main_~a~0.offset), 13834#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 13835#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 13836#(and (= 0 main_~a~0.offset) (= 0 |main_#t~malloc12.offset|) (= main_~p~0.offset 0) (not (= main_~p~0.base |main_#t~malloc12.base|)) (= main_~p~0.base main_~a~0.base)), 13837#(and (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 13838#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base main_~a~0.base)), 13839#(and (= (select |#valid| main_~a~0.base) 1) (not (= main_~a~0.base |main_#t~mem14.base|)) (= 0 main_~a~0.offset) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem14.base|) (= 0 |main_#t~mem14.offset|) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))), 13840#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 13841#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 13842#(and (= 1 (select |#valid| |main_#t~malloc12.base|)) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base |main_#t~malloc12.base|)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base |main_#t~malloc12.base|)) (not (= main_~p~0.base main_~a~0.base))), 13843#(and (= 0 main_~a~0.offset) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| main_~t~0.base)) (not (= main_~a~0.base main_~t~0.base))), 13844#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 13845#(and (not (= main_~a~0.base |main_#t~mem14.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem14.base|)) (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))), 13846#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 13847#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))), 13848#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 13849#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) (+ 0 4)))) (= 0 |main_#t~mem21.offset|)), 13850#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))), 13851#(= 1 (select |#valid| |main_#t~mem21.base|)), 13852#(= 1 (select |#valid| main_~p~0.base))] [2018-02-04 02:40:22,385 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:22,385 INFO L409 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-02-04 02:40:22,385 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-02-04 02:40:22,385 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=437, Unknown=0, NotChecked=0, Total=506 [2018-02-04 02:40:22,386 INFO L87 Difference]: Start difference. First operand 249 states and 289 transitions. Second operand 23 states. [2018-02-04 02:40:23,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:40:23,223 INFO L93 Difference]: Finished difference Result 294 states and 336 transitions. [2018-02-04 02:40:23,223 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-02-04 02:40:23,223 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 57 [2018-02-04 02:40:23,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:40:23,224 INFO L225 Difference]: With dead ends: 294 [2018-02-04 02:40:23,224 INFO L226 Difference]: Without dead ends: 294 [2018-02-04 02:40:23,224 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 423 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=356, Invalid=1806, Unknown=0, NotChecked=0, Total=2162 [2018-02-04 02:40:23,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2018-02-04 02:40:23,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 254. [2018-02-04 02:40:23,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states. [2018-02-04 02:40:23,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 294 transitions. [2018-02-04 02:40:23,227 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 294 transitions. Word has length 57 [2018-02-04 02:40:23,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:40:23,228 INFO L432 AbstractCegarLoop]: Abstraction has 254 states and 294 transitions. [2018-02-04 02:40:23,228 INFO L433 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-02-04 02:40:23,228 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 294 transitions. [2018-02-04 02:40:23,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-02-04 02:40:23,228 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:40:23,228 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-02-04 02:40:23,229 INFO L371 AbstractCegarLoop]: === Iteration 35 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:40:23,229 INFO L82 PathProgramCache]: Analyzing trace with hash 124111919, now seen corresponding path program 3 times [2018-02-04 02:40:23,229 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:40:23,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:40:23,241 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:40:23,731 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:23,732 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:40:23,732 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-02-04 02:40:23,732 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:40:23,732 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 02:40:23,732 INFO L182 omatonBuilderFactory]: Interpolants [14464#(and (not (= main_~a~0.base |main_#t~mem14.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem14.base|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))), 14465#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 14466#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))), 14467#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))), 14468#(and (= 0 |main_#t~mem21.offset|) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem21.base|) (+ 0 4)))), 14469#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 14470#(and (= 0 |main_#t~mem21.offset|) (= 8 (select |#length| |main_#t~mem21.base|))), 14471#(and (= (select |#length| main_~p~0.base) 8) (= main_~p~0.offset 0)), 14449#true, 14450#false, 14451#(= 0 |main_#t~malloc0.offset|), 14452#(= 0 main_~a~0.offset), 14453#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 14454#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 14455#(and (= 0 main_~a~0.offset) (= 0 |main_#t~malloc12.offset|) (= main_~p~0.offset 0) (not (= main_~p~0.base |main_#t~malloc12.base|)) (= main_~p~0.base main_~a~0.base)), 14456#(and (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 14457#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base main_~a~0.base)), 14458#(and (= (select |#valid| main_~a~0.base) 1) (not (= main_~a~0.base |main_#t~mem14.base|)) (= 0 main_~a~0.offset) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem14.base|) (= 0 |main_#t~mem14.offset|) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))), 14459#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 14460#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 14461#(and (= 0 main_~a~0.offset) (= 0 |main_#t~malloc12.offset|) (= 8 (select |#length| |main_#t~malloc12.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (not (= main_~a~0.base |main_#t~malloc12.base|)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base |main_#t~malloc12.base|)) (not (= main_~p~0.base main_~a~0.base))), 14462#(and (= 8 (select |#length| main_~t~0.base)) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base main_~t~0.base))), 14463#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ 0 4))) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ 0 4)))))] [2018-02-04 02:40:23,733 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:23,733 INFO L409 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-02-04 02:40:23,733 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-02-04 02:40:23,733 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=439, Unknown=0, NotChecked=0, Total=506 [2018-02-04 02:40:23,733 INFO L87 Difference]: Start difference. First operand 254 states and 294 transitions. Second operand 23 states. [2018-02-04 02:40:24,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:40:24,657 INFO L93 Difference]: Finished difference Result 318 states and 361 transitions. [2018-02-04 02:40:24,657 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-02-04 02:40:24,657 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 57 [2018-02-04 02:40:24,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:40:24,658 INFO L225 Difference]: With dead ends: 318 [2018-02-04 02:40:24,658 INFO L226 Difference]: Without dead ends: 318 [2018-02-04 02:40:24,659 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 350 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=289, Invalid=1603, Unknown=0, NotChecked=0, Total=1892 [2018-02-04 02:40:24,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2018-02-04 02:40:24,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 254. [2018-02-04 02:40:24,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states. [2018-02-04 02:40:24,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 294 transitions. [2018-02-04 02:40:24,662 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 294 transitions. Word has length 57 [2018-02-04 02:40:24,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:40:24,662 INFO L432 AbstractCegarLoop]: Abstraction has 254 states and 294 transitions. [2018-02-04 02:40:24,662 INFO L433 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-02-04 02:40:24,662 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 294 transitions. [2018-02-04 02:40:24,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-02-04 02:40:24,663 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:40:24,663 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:40:24,663 INFO L371 AbstractCegarLoop]: === Iteration 36 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:40:24,663 INFO L82 PathProgramCache]: Analyzing trace with hash -416593803, now seen corresponding path program 1 times [2018-02-04 02:40:24,664 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:40:24,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:40:24,675 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:40:25,111 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 02:40:25,111 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:40:25,111 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-02-04 02:40:25,111 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:40:25,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:25,112 INFO L182 omatonBuilderFactory]: Interpolants [15104#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 15105#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) (+ 0 4)))) (= 0 |main_#t~mem18.offset|)), 15106#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0)), 15107#(= 1 (select |#valid| |main_#t~mem21.base|)), 15108#(= 1 (select |#valid| main_~p~0.base)), 15086#true, 15087#false, 15088#(= 0 |main_#t~malloc0.offset|), 15089#(= 0 main_~a~0.offset), 15090#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 15091#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 15092#(and (not (= main_~p~0.base |main_#t~malloc5.base|)) (= 0 main_~a~0.offset) (= |main_#t~malloc5.offset| 0) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 15093#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= main_~t~0.offset 0)), 15094#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 15095#(and (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem7.base|) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base |main_#t~mem7.base|)) (= 0 |main_#t~mem7.offset|)), 15096#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 15097#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 15098#(and (= 1 (select |#valid| |main_#t~malloc12.base|)) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (not (= main_~a~0.base |main_#t~malloc12.base|)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base |main_#t~malloc12.base|)) (not (= main_~p~0.base main_~a~0.base))), 15099#(and (= 0 main_~a~0.offset) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| main_~t~0.base)) (not (= main_~a~0.base main_~t~0.base))), 15100#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 15101#(and (not (= main_~a~0.base |main_#t~mem14.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem14.base|)) (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))), 15102#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 15103#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))))] [2018-02-04 02:40:25,112 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 02:40:25,112 INFO L409 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-02-04 02:40:25,112 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-02-04 02:40:25,112 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=436, Unknown=0, NotChecked=0, Total=506 [2018-02-04 02:40:25,113 INFO L87 Difference]: Start difference. First operand 254 states and 294 transitions. Second operand 23 states. [2018-02-04 02:40:25,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:40:25,966 INFO L93 Difference]: Finished difference Result 301 states and 343 transitions. [2018-02-04 02:40:25,966 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-02-04 02:40:25,966 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 57 [2018-02-04 02:40:25,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:40:25,967 INFO L225 Difference]: With dead ends: 301 [2018-02-04 02:40:25,967 INFO L226 Difference]: Without dead ends: 301 [2018-02-04 02:40:25,967 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 431 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=357, Invalid=1805, Unknown=0, NotChecked=0, Total=2162 [2018-02-04 02:40:25,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2018-02-04 02:40:25,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 259. [2018-02-04 02:40:25,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259 states. [2018-02-04 02:40:25,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 299 transitions. [2018-02-04 02:40:25,969 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 299 transitions. Word has length 57 [2018-02-04 02:40:25,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:40:25,970 INFO L432 AbstractCegarLoop]: Abstraction has 259 states and 299 transitions. [2018-02-04 02:40:25,970 INFO L433 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-02-04 02:40:25,970 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 299 transitions. [2018-02-04 02:40:25,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-02-04 02:40:25,970 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:40:25,970 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:40:25,970 INFO L371 AbstractCegarLoop]: === Iteration 37 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:40:25,970 INFO L82 PathProgramCache]: Analyzing trace with hash -416593802, now seen corresponding path program 1 times [2018-02-04 02:40:25,971 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:40:25,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:40:25,982 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:40:26,586 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 02:40:26,587 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:40:26,587 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-02-04 02:40:26,587 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:40:26,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:26,588 INFO L182 omatonBuilderFactory]: Interpolants [15717#true, 15718#false, 15719#(= 0 |main_#t~malloc0.offset|), 15720#(= 0 main_~a~0.offset), 15721#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 15722#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 15723#(and (not (= main_~p~0.base |main_#t~malloc5.base|)) (= 0 main_~a~0.offset) (= |main_#t~malloc5.offset| 0) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 15724#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= main_~t~0.offset 0)), 15725#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 15726#(and (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem7.base|) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base |main_#t~mem7.base|)) (= 0 |main_#t~mem7.offset|)), 15727#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 15728#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 15729#(and (= 0 main_~a~0.offset) (= 0 |main_#t~malloc12.offset|) (= 8 (select |#length| |main_#t~malloc12.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (not (= main_~a~0.base |main_#t~malloc12.base|)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base |main_#t~malloc12.base|)) (not (= main_~p~0.base main_~a~0.base))), 15730#(and (= 8 (select |#length| main_~t~0.base)) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base main_~t~0.base))), 15731#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ 0 4))) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ 0 4))))), 15732#(and (not (= main_~a~0.base |main_#t~mem14.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem14.base|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))), 15733#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 15734#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))), 15735#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))), 15736#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem18.base|) (+ 0 4))) (= 0 |main_#t~mem18.offset|)), 15737#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 15738#(and (= 0 |main_#t~mem21.offset|) (= 8 (select |#length| |main_#t~mem21.base|))), 15739#(and (= main_~p~0.offset 0) (= 8 (select |#length| main_~p~0.base)))] [2018-02-04 02:40:26,588 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 02:40:26,588 INFO L409 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-02-04 02:40:26,588 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-02-04 02:40:26,589 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=439, Unknown=0, NotChecked=0, Total=506 [2018-02-04 02:40:26,589 INFO L87 Difference]: Start difference. First operand 259 states and 299 transitions. Second operand 23 states. [2018-02-04 02:40:27,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:40:27,696 INFO L93 Difference]: Finished difference Result 323 states and 366 transitions. [2018-02-04 02:40:27,696 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-02-04 02:40:27,696 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 57 [2018-02-04 02:40:27,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:40:27,697 INFO L225 Difference]: With dead ends: 323 [2018-02-04 02:40:27,697 INFO L226 Difference]: Without dead ends: 323 [2018-02-04 02:40:27,697 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 351 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=289, Invalid=1603, Unknown=0, NotChecked=0, Total=1892 [2018-02-04 02:40:27,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2018-02-04 02:40:27,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 254. [2018-02-04 02:40:27,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states. [2018-02-04 02:40:27,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 294 transitions. [2018-02-04 02:40:27,700 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 294 transitions. Word has length 57 [2018-02-04 02:40:27,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:40:27,700 INFO L432 AbstractCegarLoop]: Abstraction has 254 states and 294 transitions. [2018-02-04 02:40:27,700 INFO L433 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-02-04 02:40:27,700 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 294 transitions. [2018-02-04 02:40:27,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-02-04 02:40:27,700 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:40:27,701 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:40:27,701 INFO L371 AbstractCegarLoop]: === Iteration 38 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:40:27,701 INFO L82 PathProgramCache]: Analyzing trace with hash 1482836683, now seen corresponding path program 2 times [2018-02-04 02:40:27,702 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:40:27,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:40:27,710 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:40:28,122 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-02-04 02:40:28,122 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:40:28,122 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-02-04 02:40:28,122 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:40:28,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:28,123 INFO L182 omatonBuilderFactory]: Interpolants [16359#true, 16360#false, 16361#(= 0 |main_#t~malloc0.offset|), 16362#(= 0 main_~a~0.offset), 16363#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 16364#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 16365#(and (not (= main_~p~0.base |main_#t~malloc5.base|)) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| |main_#t~malloc5.base|) 1) (= main_~p~0.base main_~a~0.base)), 16366#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= (select |#valid| main_~t~0.base) 1)), 16367#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 1) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 16368#(and (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem7.base|) (= (select |#valid| main_~a~0.base) 1) (= (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)) |main_#t~mem7.offset|) (= 0 main_~a~0.offset) (not (= main_~a~0.base |main_#t~mem7.base|)) (= (select |#valid| |main_#t~mem7.base|) 1)), 16369#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 16370#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 16371#(and (not (= main_~p~0.base |main_#t~malloc5.base|)) (= 0 main_~a~0.offset) (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base |main_#t~malloc5.base|))), 16372#(and (= main_~p~0.offset (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (not (= main_~p~0.base main_~t~0.base)) (not (= main_~a~0.base main_~t~0.base))), 16373#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 16374#(and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (not (= main_~a~0.base |main_#t~mem7.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem7.base|))), 16375#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base main_~a~0.base)) (= 1 (select (select (store |#memory_int| main_~p~0.base (store (select |#memory_int| main_~p~0.base) main_~p~0.offset 3)) (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))))), 16376#(and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset)), 16377#(= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 16378#(= 1 (select (select |#memory_int| |main_#t~mem18.base|) |main_#t~mem18.offset|)), 16379#(= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)), 16380#(= 1 |main_#t~mem16|)] [2018-02-04 02:40:28,123 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-02-04 02:40:28,123 INFO L409 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-02-04 02:40:28,124 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-02-04 02:40:28,124 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=391, Unknown=0, NotChecked=0, Total=462 [2018-02-04 02:40:28,124 INFO L87 Difference]: Start difference. First operand 254 states and 294 transitions. Second operand 22 states. [2018-02-04 02:40:29,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:40:29,116 INFO L93 Difference]: Finished difference Result 319 states and 361 transitions. [2018-02-04 02:40:29,116 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-02-04 02:40:29,116 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 57 [2018-02-04 02:40:29,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:40:29,117 INFO L225 Difference]: With dead ends: 319 [2018-02-04 02:40:29,117 INFO L226 Difference]: Without dead ends: 319 [2018-02-04 02:40:29,117 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 384 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=345, Invalid=1635, Unknown=0, NotChecked=0, Total=1980 [2018-02-04 02:40:29,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2018-02-04 02:40:29,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 251. [2018-02-04 02:40:29,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 251 states. [2018-02-04 02:40:29,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 290 transitions. [2018-02-04 02:40:29,119 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 290 transitions. Word has length 57 [2018-02-04 02:40:29,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:40:29,120 INFO L432 AbstractCegarLoop]: Abstraction has 251 states and 290 transitions. [2018-02-04 02:40:29,120 INFO L433 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-02-04 02:40:29,120 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 290 transitions. [2018-02-04 02:40:29,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-02-04 02:40:29,120 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:40:29,120 INFO L351 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 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] [2018-02-04 02:40:29,120 INFO L371 AbstractCegarLoop]: === Iteration 39 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:40:29,120 INFO L82 PathProgramCache]: Analyzing trace with hash 1133689491, now seen corresponding path program 5 times [2018-02-04 02:40:29,121 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:40:29,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:40:29,126 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:40:29,536 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 10 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:29,536 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:40:29,536 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-02-04 02:40:29,536 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:40:29,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:29,537 INFO L182 omatonBuilderFactory]: Interpolants [16997#true, 16998#false, 16999#(= 0 |main_#t~malloc0.offset|), 17000#(= 0 main_~a~0.offset), 17001#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 17002#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 17003#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~p~0.base |main_#t~malloc5.base|)) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| |main_#t~malloc5.base|) 1) (= main_~p~0.base main_~a~0.base)), 17004#(and (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= (select |#valid| main_~t~0.base) 1)), 17005#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 1) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 17006#(and (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem7.base|) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base |main_#t~mem7.base|)) (= (select |#valid| |main_#t~mem7.base|) 1) (= 0 |main_#t~mem7.offset|)), 17007#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (not (= main_~p~0.base main_~a~0.base)) (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1)) (<= (+ main_~p~0.offset 1) 0))), 17008#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 17009#(and (not (= main_~p~0.base |main_#t~malloc5.base|)) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base |main_#t~malloc5.base|))), 17010#(and (= 0 main_~a~0.offset) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base main_~t~0.base))), 17011#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 17012#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem7.offset|) (= 0 main_~a~0.offset) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem7.base|) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base |main_#t~mem7.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem7.base|))), 17013#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 17014#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) 3) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))), 17015#(and (= main_~p~0.offset 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) 3) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 17016#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) (+ 0 4))) (select (select |#memory_$Pointer$.offset| |main_#t~mem18.base|) (+ 0 4))) 3) (= 0 |main_#t~mem18.offset|)), 17017#(or (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) 3) (= main_~p~0.offset 0)) (<= (+ main_~p~0.offset 1) 0)), 17018#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) 3) (= main_~p~0.offset 0)), 17019#(= (select (select |#memory_int| |main_#t~mem18.base|) |main_#t~mem18.offset|) 3), 17020#(= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3), 17021#(= |main_#t~mem16| 3)] [2018-02-04 02:40:29,537 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 10 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:29,537 INFO L409 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-02-04 02:40:29,537 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-02-04 02:40:29,537 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=532, Unknown=0, NotChecked=0, Total=600 [2018-02-04 02:40:29,537 INFO L87 Difference]: Start difference. First operand 251 states and 290 transitions. Second operand 25 states. [2018-02-04 02:40:30,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:40:30,641 INFO L93 Difference]: Finished difference Result 315 states and 354 transitions. [2018-02-04 02:40:30,641 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-02-04 02:40:30,641 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 59 [2018-02-04 02:40:30,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:40:30,642 INFO L225 Difference]: With dead ends: 315 [2018-02-04 02:40:30,642 INFO L226 Difference]: Without dead ends: 315 [2018-02-04 02:40:30,643 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 436 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=301, Invalid=1955, Unknown=0, NotChecked=0, Total=2256 [2018-02-04 02:40:30,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2018-02-04 02:40:30,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 250. [2018-02-04 02:40:30,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2018-02-04 02:40:30,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 288 transitions. [2018-02-04 02:40:30,645 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 288 transitions. Word has length 59 [2018-02-04 02:40:30,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:40:30,645 INFO L432 AbstractCegarLoop]: Abstraction has 250 states and 288 transitions. [2018-02-04 02:40:30,645 INFO L433 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-02-04 02:40:30,646 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 288 transitions. [2018-02-04 02:40:30,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-02-04 02:40:30,646 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:40:30,646 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:40:30,646 INFO L371 AbstractCegarLoop]: === Iteration 40 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:40:30,646 INFO L82 PathProgramCache]: Analyzing trace with hash 17294343, now seen corresponding path program 3 times [2018-02-04 02:40:30,647 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:40:30,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:40:30,654 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:40:31,086 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 02:40:31,086 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:40:31,086 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-02-04 02:40:31,086 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:40:31,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:31,087 INFO L182 omatonBuilderFactory]: Interpolants [17633#true, 17634#false, 17635#(= |main_#t~malloc0.offset| 0), 17636#(= main_~a~0.offset 0), 17637#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 17638#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 17639#(and (not (= main_~p~0.base |main_#t~malloc5.base|)) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 17640#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 17641#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 17642#(and (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem7.base|) (= (select |#valid| main_~a~0.base) 1) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~mem7.base|))), 17643#(and (= (select |#valid| main_~a~0.base) 1) (= main_~a~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 17644#(and (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~malloc12.base|)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 17645#(and (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~a~0.base main_~t~0.base))), 17646#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~a~0.offset 0) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 17647#(and (not (= main_~a~0.base |main_#t~mem14.base|)) (= main_~a~0.offset 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1)), 17648#(and (= main_~a~0.offset 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (not (= main_~p~0.base main_~a~0.base))), 17649#(and (= main_~a~0.offset |main_#t~malloc12.offset|) (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= main_~p~0.base main_~a~0.base))), 17650#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~a~0.offset main_~t~0.offset)), 17651#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 17652#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset |main_#t~mem14.offset|)), 17653#(and (= 0 main_~a~0.offset) (or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= main_~p~0.base main_~a~0.base))) (and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)))), 17654#(and (= 0 main_~a~0.offset) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 3))), 17655#(and (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3)) (= main_~p~0.offset 0)), 17656#(and (= main_~p~0.offset 0) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= |main_#t~mem16| 3))), 17657#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0)), 17658#(= 1 (select |#valid| |main_#t~mem18.base|)), 17659#(= 1 (select |#valid| main_~p~0.base))] [2018-02-04 02:40:31,087 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 02:40:31,087 INFO L409 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-02-04 02:40:31,087 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-02-04 02:40:31,087 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=609, Unknown=0, NotChecked=0, Total=702 [2018-02-04 02:40:31,087 INFO L87 Difference]: Start difference. First operand 250 states and 288 transitions. Second operand 27 states. [2018-02-04 02:40:32,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:40:32,184 INFO L93 Difference]: Finished difference Result 332 states and 377 transitions. [2018-02-04 02:40:32,184 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-02-04 02:40:32,184 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 60 [2018-02-04 02:40:32,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:40:32,185 INFO L225 Difference]: With dead ends: 332 [2018-02-04 02:40:32,185 INFO L226 Difference]: Without dead ends: 332 [2018-02-04 02:40:32,186 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 664 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=581, Invalid=2611, Unknown=0, NotChecked=0, Total=3192 [2018-02-04 02:40:32,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2018-02-04 02:40:32,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 270. [2018-02-04 02:40:32,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 270 states. [2018-02-04 02:40:32,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 311 transitions. [2018-02-04 02:40:32,188 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 311 transitions. Word has length 60 [2018-02-04 02:40:32,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:40:32,189 INFO L432 AbstractCegarLoop]: Abstraction has 270 states and 311 transitions. [2018-02-04 02:40:32,189 INFO L433 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-02-04 02:40:32,189 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 311 transitions. [2018-02-04 02:40:32,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-02-04 02:40:32,189 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:40:32,189 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:40:32,190 INFO L371 AbstractCegarLoop]: === Iteration 41 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:40:32,190 INFO L82 PathProgramCache]: Analyzing trace with hash 17294344, now seen corresponding path program 2 times [2018-02-04 02:40:32,190 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:40:32,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:40:32,198 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:40:32,679 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 02:40:32,679 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:40:32,679 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-02-04 02:40:32,679 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:40:32,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:32,679 INFO L182 omatonBuilderFactory]: Interpolants [18322#true, 18323#false, 18324#(= |main_#t~malloc0.offset| 0), 18325#(= main_~a~0.offset 0), 18326#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 18327#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 18328#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~p~0.base |main_#t~malloc5.base|)) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 18329#(and (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 18330#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 18331#(and (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem7.base|) (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~mem7.base|)) (= 0 |main_#t~mem7.offset|)), 18332#(and (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 18333#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~malloc12.base|)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 18334#(and (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base main_~t~0.base))), 18335#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (<= (+ main_~p~0.offset 8) (select |#length| main_~p~0.base))), 18336#(and (not (= main_~a~0.base |main_#t~mem14.base|)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1)), 18337#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (not (= main_~p~0.base main_~a~0.base))), 18338#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (or (= main_~a~0.offset |main_#t~malloc12.offset|) (not (= main_~a~0.base |main_#t~malloc12.base|)))), 18339#(and (or (= main_~a~0.offset main_~t~0.offset) (not (= main_~a~0.base main_~t~0.base))) (= 0 main_~a~0.offset) (<= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4)))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4)))), 18340#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (or (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~a~0.offset (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))))), 18341#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (or (not (= main_~a~0.base |main_#t~mem14.base|)) (= main_~a~0.offset |main_#t~mem14.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))), 18342#(or (and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)) (and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)))), 18343#(or (and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 3)), 18344#(or (and (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))))) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3)), 18345#(or (and (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))))) (= |main_#t~mem16| 3)), 18346#(and (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))))), 18347#(and (<= 8 (select |#length| |main_#t~mem18.base|)) (= 0 |main_#t~mem18.offset|)), 18348#(and (= main_~p~0.offset 0) (<= 8 (select |#length| main_~p~0.base)))] [2018-02-04 02:40:32,680 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 02:40:32,680 INFO L409 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-02-04 02:40:32,680 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-02-04 02:40:32,680 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=610, Unknown=0, NotChecked=0, Total=702 [2018-02-04 02:40:32,680 INFO L87 Difference]: Start difference. First operand 270 states and 311 transitions. Second operand 27 states. [2018-02-04 02:40:34,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:40:34,222 INFO L93 Difference]: Finished difference Result 351 states and 395 transitions. [2018-02-04 02:40:34,222 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-02-04 02:40:34,222 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 60 [2018-02-04 02:40:34,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:40:34,223 INFO L225 Difference]: With dead ends: 351 [2018-02-04 02:40:34,223 INFO L226 Difference]: Without dead ends: 350 [2018-02-04 02:40:34,223 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 706 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=559, Invalid=2863, Unknown=0, NotChecked=0, Total=3422 [2018-02-04 02:40:34,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2018-02-04 02:40:34,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 275. [2018-02-04 02:40:34,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 275 states. [2018-02-04 02:40:34,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 316 transitions. [2018-02-04 02:40:34,226 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 316 transitions. Word has length 60 [2018-02-04 02:40:34,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:40:34,226 INFO L432 AbstractCegarLoop]: Abstraction has 275 states and 316 transitions. [2018-02-04 02:40:34,226 INFO L433 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-02-04 02:40:34,226 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 316 transitions. [2018-02-04 02:40:34,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-02-04 02:40:34,226 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:40:34,226 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:40:34,226 INFO L371 AbstractCegarLoop]: === Iteration 42 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:40:34,226 INFO L82 PathProgramCache]: Analyzing trace with hash -243222031, now seen corresponding path program 4 times [2018-02-04 02:40:34,227 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:40:34,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:40:34,236 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:40:34,685 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 02:40:34,685 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:40:34,685 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-02-04 02:40:34,685 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:40:34,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:34,685 INFO L182 omatonBuilderFactory]: Interpolants [19039#true, 19040#false, 19041#(= |main_#t~malloc0.offset| 0), 19042#(= main_~a~0.offset 0), 19043#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 19044#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 19045#(and (not (= main_~p~0.base |main_#t~malloc5.base|)) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 19046#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 19047#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 19048#(and (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem7.base|) (= (select |#valid| main_~a~0.base) 1) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~mem7.base|))), 19049#(and (= (select |#valid| main_~a~0.base) 1) (= main_~a~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 19050#(and (= main_~a~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base |main_#t~malloc5.base|))), 19051#(and (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~a~0.base main_~t~0.base))), 19052#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~a~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1)), 19053#(and (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~mem7.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1)), 19054#(and (= main_~a~0.offset 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (not (= main_~p~0.base main_~a~0.base))), 19055#(and (= main_~a~0.offset |main_#t~malloc12.offset|) (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= main_~p~0.base main_~a~0.base))), 19056#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~a~0.offset main_~t~0.offset)), 19057#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 19058#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset |main_#t~mem14.offset|)), 19059#(and (= 0 main_~a~0.offset) (or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= main_~p~0.base main_~a~0.base))) (and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)))), 19060#(and (= 0 main_~a~0.offset) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 3))), 19061#(and (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3)) (= main_~p~0.offset 0)), 19062#(and (= main_~p~0.offset 0) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= |main_#t~mem16| 3))), 19063#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0)), 19064#(= 1 (select |#valid| |main_#t~mem18.base|)), 19065#(= 1 (select |#valid| main_~p~0.base))] [2018-02-04 02:40:34,685 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 02:40:34,685 INFO L409 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-02-04 02:40:34,686 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-02-04 02:40:34,686 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=609, Unknown=0, NotChecked=0, Total=702 [2018-02-04 02:40:34,686 INFO L87 Difference]: Start difference. First operand 275 states and 316 transitions. Second operand 27 states. [2018-02-04 02:40:35,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:40:35,921 INFO L93 Difference]: Finished difference Result 380 states and 435 transitions. [2018-02-04 02:40:35,921 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-02-04 02:40:35,921 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 60 [2018-02-04 02:40:35,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:40:35,922 INFO L225 Difference]: With dead ends: 380 [2018-02-04 02:40:35,922 INFO L226 Difference]: Without dead ends: 380 [2018-02-04 02:40:35,923 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 779 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=644, Invalid=2896, Unknown=0, NotChecked=0, Total=3540 [2018-02-04 02:40:35,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2018-02-04 02:40:35,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 295. [2018-02-04 02:40:35,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 295 states. [2018-02-04 02:40:35,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 340 transitions. [2018-02-04 02:40:35,926 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 340 transitions. Word has length 60 [2018-02-04 02:40:35,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:40:35,926 INFO L432 AbstractCegarLoop]: Abstraction has 295 states and 340 transitions. [2018-02-04 02:40:35,926 INFO L433 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-02-04 02:40:35,926 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 340 transitions. [2018-02-04 02:40:35,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-02-04 02:40:35,927 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:40:35,927 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:40:35,927 INFO L371 AbstractCegarLoop]: === Iteration 43 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:40:35,927 INFO L82 PathProgramCache]: Analyzing trace with hash -243222030, now seen corresponding path program 3 times [2018-02-04 02:40:35,928 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:40:35,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:40:35,947 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:40:36,439 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 02:40:36,439 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:40:36,439 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-02-04 02:40:36,439 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:40:36,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:36,440 INFO L182 omatonBuilderFactory]: Interpolants [19807#true, 19808#false, 19809#(= |main_#t~malloc0.offset| 0), 19810#(= main_~a~0.offset 0), 19811#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 19812#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 19813#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~p~0.base |main_#t~malloc5.base|)) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 19814#(and (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 19815#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 19816#(and (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem7.base|) (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~mem7.base|))), 19817#(and (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 19818#(and (<= 0 main_~p~0.offset) (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 19819#(and (<= 0 main_~p~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base |main_#t~malloc5.base|))), 19820#(and (<= 0 main_~p~0.offset) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base main_~t~0.base))), 19821#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (<= 8 (select |#length| main_~p~0.base))), 19822#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~mem7.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1)), 19823#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (not (= main_~p~0.base main_~a~0.base))), 19824#(and (= main_~a~0.offset |main_#t~malloc12.offset|) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 19825#(and (= 0 main_~a~0.offset) (<= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset main_~t~0.offset) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4)))), 19826#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 19827#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset |main_#t~mem14.offset|)), 19828#(and (or (and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)) (and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)))) (= 0 main_~a~0.offset)), 19829#(and (= 0 main_~a~0.offset) (or (and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 3))), 19830#(and (= main_~p~0.offset 0) (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))))) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3))), 19831#(and (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))))) (= |main_#t~mem16| 3)) (= main_~p~0.offset 0)), 19832#(and (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))))), 19833#(and (<= 8 (select |#length| |main_#t~mem18.base|)) (= 0 |main_#t~mem18.offset|)), 19834#(and (= main_~p~0.offset 0) (<= 8 (select |#length| main_~p~0.base)))] [2018-02-04 02:40:36,440 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 02:40:36,440 INFO L409 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-02-04 02:40:36,440 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-02-04 02:40:36,440 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=663, Unknown=0, NotChecked=0, Total=756 [2018-02-04 02:40:36,440 INFO L87 Difference]: Start difference. First operand 295 states and 340 transitions. Second operand 28 states. [2018-02-04 02:40:37,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:40:37,981 INFO L93 Difference]: Finished difference Result 396 states and 451 transitions. [2018-02-04 02:40:37,981 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-02-04 02:40:37,981 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 60 [2018-02-04 02:40:37,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:40:37,982 INFO L225 Difference]: With dead ends: 396 [2018-02-04 02:40:37,982 INFO L226 Difference]: Without dead ends: 395 [2018-02-04 02:40:37,983 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 756 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=564, Invalid=3096, Unknown=0, NotChecked=0, Total=3660 [2018-02-04 02:40:37,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2018-02-04 02:40:37,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 291. [2018-02-04 02:40:37,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 291 states. [2018-02-04 02:40:37,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 335 transitions. [2018-02-04 02:40:37,986 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 335 transitions. Word has length 60 [2018-02-04 02:40:37,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:40:37,986 INFO L432 AbstractCegarLoop]: Abstraction has 291 states and 335 transitions. [2018-02-04 02:40:37,986 INFO L433 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-02-04 02:40:37,987 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 335 transitions. [2018-02-04 02:40:37,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-02-04 02:40:37,987 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:40:37,987 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2018-02-04 02:40:37,987 INFO L371 AbstractCegarLoop]: === Iteration 44 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:40:37,987 INFO L82 PathProgramCache]: Analyzing trace with hash 1693610567, now seen corresponding path program 6 times [2018-02-04 02:40:37,988 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:40:37,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:40:37,994 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:40:38,491 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 02:40:38,491 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:40:38,491 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-02-04 02:40:38,491 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:40:38,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:38,492 INFO L182 omatonBuilderFactory]: Interpolants [20608#(and (= 0 main_~a~0.offset) (or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= main_~p~0.base main_~a~0.base))) (and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)))), 20609#(and (= 0 main_~a~0.offset) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 3))), 20610#(and (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3)) (= main_~p~0.offset 0)), 20611#(and (= main_~p~0.offset 0) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= |main_#t~mem16| 3))), 20612#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0)), 20613#(= 1 (select |#valid| |main_#t~mem18.base|)), 20614#(= 1 (select |#valid| main_~p~0.base)), 20588#true, 20589#false, 20590#(= |main_#t~malloc0.offset| 0), 20591#(= main_~a~0.offset 0), 20592#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 20593#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 20594#(and (not (= main_~p~0.base |main_#t~malloc5.base|)) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 20595#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 20596#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 20597#(and (= (select |#valid| main_~a~0.base) 1) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~mem7.base|))), 20598#(and (= (select |#valid| main_~a~0.base) 1) (= main_~a~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 20599#(and (= main_~a~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base |main_#t~malloc5.base|))), 20600#(and (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~a~0.base main_~t~0.base))), 20601#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~a~0.offset 0) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 20602#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~mem7.base|))), 20603#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~a~0.base))), 20604#(and (= 0 main_~a~0.offset) (= main_~a~0.offset |main_#t~malloc5.offset|) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= main_~p~0.base main_~a~0.base))), 20605#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~a~0.offset main_~t~0.offset)), 20606#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 20607#(and (= 0 main_~a~0.offset) (= main_~a~0.offset |main_#t~mem7.offset|) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))))] [2018-02-04 02:40:38,492 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 02:40:38,492 INFO L409 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-02-04 02:40:38,492 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-02-04 02:40:38,492 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=609, Unknown=0, NotChecked=0, Total=702 [2018-02-04 02:40:38,492 INFO L87 Difference]: Start difference. First operand 291 states and 335 transitions. Second operand 27 states. [2018-02-04 02:40:39,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:40:39,578 INFO L93 Difference]: Finished difference Result 378 states and 431 transitions. [2018-02-04 02:40:39,578 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-02-04 02:40:39,578 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 60 [2018-02-04 02:40:39,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:40:39,579 INFO L225 Difference]: With dead ends: 378 [2018-02-04 02:40:39,579 INFO L226 Difference]: Without dead ends: 378 [2018-02-04 02:40:39,580 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 710 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=607, Invalid=2699, Unknown=0, NotChecked=0, Total=3306 [2018-02-04 02:40:39,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2018-02-04 02:40:39,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 315. [2018-02-04 02:40:39,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 315 states. [2018-02-04 02:40:39,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 364 transitions. [2018-02-04 02:40:39,582 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 364 transitions. Word has length 60 [2018-02-04 02:40:39,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:40:39,582 INFO L432 AbstractCegarLoop]: Abstraction has 315 states and 364 transitions. [2018-02-04 02:40:39,582 INFO L433 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-02-04 02:40:39,582 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 364 transitions. [2018-02-04 02:40:39,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-02-04 02:40:39,582 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:40:39,582 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2018-02-04 02:40:39,583 INFO L371 AbstractCegarLoop]: === Iteration 45 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:40:39,583 INFO L82 PathProgramCache]: Analyzing trace with hash 1693610568, now seen corresponding path program 4 times [2018-02-04 02:40:39,583 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:40:39,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:40:39,593 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:40:40,119 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 02:40:40,119 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:40:40,119 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-02-04 02:40:40,120 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:40:40,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:40,120 INFO L182 omatonBuilderFactory]: Interpolants [21376#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~p~0.base |main_#t~malloc5.base|)) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 21377#(and (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 21378#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 21379#(and (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem7.base|) (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~mem7.base|))), 21380#(and (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 21381#(and (<= 0 main_~p~0.offset) (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 21382#(and (<= 0 main_~p~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base |main_#t~malloc5.base|))), 21383#(and (<= 0 main_~p~0.offset) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base main_~t~0.base))), 21384#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (<= 8 (select |#length| main_~p~0.base))), 21385#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~mem7.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1)), 21386#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (not (= main_~p~0.base main_~a~0.base))), 21387#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~a~0.offset |main_#t~malloc5.offset|) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 21388#(and (= 0 main_~a~0.offset) (<= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset main_~t~0.offset) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4)))), 21389#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 21390#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~a~0.offset |main_#t~mem7.offset|) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))), 21391#(and (or (and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)) (and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)))) (= 0 main_~a~0.offset)), 21392#(and (= 0 main_~a~0.offset) (or (and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 3))), 21393#(and (= main_~p~0.offset 0) (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))))) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3))), 21394#(and (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))))) (= |main_#t~mem16| 3)) (= main_~p~0.offset 0)), 21395#(and (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))))), 21396#(and (<= 8 (select |#length| |main_#t~mem18.base|)) (= 0 |main_#t~mem18.offset|)), 21397#(and (= main_~p~0.offset 0) (<= 8 (select |#length| main_~p~0.base))), 21370#true, 21371#false, 21372#(= |main_#t~malloc0.offset| 0), 21373#(= main_~a~0.offset 0), 21374#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 21375#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base))] [2018-02-04 02:40:40,120 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 02:40:40,120 INFO L409 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-02-04 02:40:40,120 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-02-04 02:40:40,120 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=663, Unknown=0, NotChecked=0, Total=756 [2018-02-04 02:40:40,121 INFO L87 Difference]: Start difference. First operand 315 states and 364 transitions. Second operand 28 states. [2018-02-04 02:40:41,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:40:41,610 INFO L93 Difference]: Finished difference Result 397 states and 449 transitions. [2018-02-04 02:40:41,647 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-02-04 02:40:41,648 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 60 [2018-02-04 02:40:41,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:40:41,648 INFO L225 Difference]: With dead ends: 397 [2018-02-04 02:40:41,648 INFO L226 Difference]: Without dead ends: 396 [2018-02-04 02:40:41,649 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 721 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=544, Invalid=2996, Unknown=0, NotChecked=0, Total=3540 [2018-02-04 02:40:41,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2018-02-04 02:40:41,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 306. [2018-02-04 02:40:41,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 306 states. [2018-02-04 02:40:41,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 354 transitions. [2018-02-04 02:40:41,652 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 354 transitions. Word has length 60 [2018-02-04 02:40:41,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:40:41,653 INFO L432 AbstractCegarLoop]: Abstraction has 306 states and 354 transitions. [2018-02-04 02:40:41,653 INFO L433 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-02-04 02:40:41,653 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 354 transitions. [2018-02-04 02:40:41,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-02-04 02:40:41,653 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:40:41,653 INFO L351 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 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] [2018-02-04 02:40:41,654 INFO L371 AbstractCegarLoop]: === Iteration 46 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:40:41,654 INFO L82 PathProgramCache]: Analyzing trace with hash 1076059124, now seen corresponding path program 5 times [2018-02-04 02:40:41,654 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:40:41,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:40:41,661 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:40:42,035 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 10 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:42,035 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:40:42,035 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-02-04 02:40:42,035 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:40:42,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:42,036 INFO L182 omatonBuilderFactory]: Interpolants [22176#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 22177#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (not (= main_~a~0.base |main_#t~malloc12.base|)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base |main_#t~malloc12.base|)) (not (= main_~p~0.base main_~a~0.base))), 22178#(and (= 0 main_~a~0.offset) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base main_~t~0.base))), 22179#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 22180#(and (not (= main_~a~0.base |main_#t~mem14.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem14.base|)) (= 0 main_~a~0.offset) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem14.base|) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem14.offset|)), 22181#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 22182#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) 3) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))), 22183#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) 3) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 22184#(and (= 0 |main_#t~mem21.offset|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) (+ 0 4))) (select (select |#memory_$Pointer$.offset| |main_#t~mem21.base|) (+ 0 4))) 3)), 22185#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) 3), 22186#(= (select (select |#memory_int| |main_#t~mem21.base|) |main_#t~mem21.offset|) 3), 22187#(= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3), 22188#(= |main_#t~mem19| 3), 22165#true, 22166#false, 22167#(= 0 |main_#t~malloc0.offset|), 22168#(= 0 main_~a~0.offset), 22169#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 22170#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 22171#(and (= 0 main_~a~0.offset) (= 0 |main_#t~malloc12.offset|) (= main_~p~0.offset 0) (not (= main_~p~0.base |main_#t~malloc12.base|)) (= main_~p~0.base main_~a~0.base)), 22172#(and (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 22173#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base main_~a~0.base)), 22174#(and (= (select |#valid| main_~a~0.base) 1) (not (= main_~a~0.base |main_#t~mem14.base|)) (= 0 main_~a~0.offset) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem14.base|) (= 0 |main_#t~mem14.offset|) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))), 22175#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)))] [2018-02-04 02:40:42,036 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 10 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:42,036 INFO L409 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-02-04 02:40:42,036 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-02-04 02:40:42,037 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=487, Unknown=0, NotChecked=0, Total=552 [2018-02-04 02:40:42,037 INFO L87 Difference]: Start difference. First operand 306 states and 354 transitions. Second operand 24 states. [2018-02-04 02:40:42,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:40:42,900 INFO L93 Difference]: Finished difference Result 355 states and 402 transitions. [2018-02-04 02:40:42,901 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-02-04 02:40:42,901 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 62 [2018-02-04 02:40:42,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:40:42,901 INFO L225 Difference]: With dead ends: 355 [2018-02-04 02:40:42,902 INFO L226 Difference]: Without dead ends: 355 [2018-02-04 02:40:42,902 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 434 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=307, Invalid=1949, Unknown=0, NotChecked=0, Total=2256 [2018-02-04 02:40:42,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2018-02-04 02:40:42,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 314. [2018-02-04 02:40:42,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 314 states. [2018-02-04 02:40:42,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 362 transitions. [2018-02-04 02:40:42,904 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 362 transitions. Word has length 62 [2018-02-04 02:40:42,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:40:42,904 INFO L432 AbstractCegarLoop]: Abstraction has 314 states and 362 transitions. [2018-02-04 02:40:42,904 INFO L433 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-02-04 02:40:42,904 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 362 transitions. [2018-02-04 02:40:42,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-02-04 02:40:42,904 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:40:42,905 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] [2018-02-04 02:40:42,905 INFO L371 AbstractCegarLoop]: === Iteration 47 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:40:42,905 INFO L82 PathProgramCache]: Analyzing trace with hash -2053934067, now seen corresponding path program 2 times [2018-02-04 02:40:42,905 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:40:42,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:40:42,916 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:40:43,417 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:43,417 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:40:43,417 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-02-04 02:40:43,417 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:40:43,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:43,418 INFO L182 omatonBuilderFactory]: Interpolants [22912#(and (not (= main_~p~0.base |main_#t~malloc5.base|)) (= 0 main_~a~0.offset) (= |main_#t~malloc5.offset| 0) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 22913#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= main_~t~0.offset 0)), 22914#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 22915#(and (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem7.base|) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base |main_#t~mem7.base|)) (= 0 |main_#t~mem7.offset|)), 22916#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 22917#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 22918#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (not (= main_~a~0.base |main_#t~malloc12.base|)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base |main_#t~malloc12.base|)) (not (= main_~p~0.base main_~a~0.base))), 22919#(and (= 0 main_~a~0.offset) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base main_~t~0.base))), 22920#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 22921#(and (not (= main_~a~0.base |main_#t~mem14.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem14.base|)) (= 0 main_~a~0.offset) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem14.base|) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem14.offset|)), 22922#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 22923#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) 3) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))), 22924#(and (= main_~p~0.offset 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) 3) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 22925#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) (+ 0 4))) (select (select |#memory_$Pointer$.offset| |main_#t~mem18.base|) (+ 0 4))) 3) (= 0 |main_#t~mem18.offset|)), 22926#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) 3) (= main_~p~0.offset 0)), 22927#(= (select (select |#memory_int| |main_#t~mem21.base|) |main_#t~mem21.offset|) 3), 22928#(= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3), 22929#(= |main_#t~mem19| 3), 22906#true, 22907#false, 22908#(= 0 |main_#t~malloc0.offset|), 22909#(= 0 main_~a~0.offset), 22910#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 22911#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base))] [2018-02-04 02:40:43,418 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:43,418 INFO L409 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-02-04 02:40:43,418 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-02-04 02:40:43,418 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=487, Unknown=0, NotChecked=0, Total=552 [2018-02-04 02:40:43,418 INFO L87 Difference]: Start difference. First operand 314 states and 362 transitions. Second operand 24 states. [2018-02-04 02:40:44,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:40:44,389 INFO L93 Difference]: Finished difference Result 351 states and 398 transitions. [2018-02-04 02:40:44,389 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-02-04 02:40:44,389 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 62 [2018-02-04 02:40:44,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:40:44,390 INFO L225 Difference]: With dead ends: 351 [2018-02-04 02:40:44,390 INFO L226 Difference]: Without dead ends: 351 [2018-02-04 02:40:44,390 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 433 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=307, Invalid=1949, Unknown=0, NotChecked=0, Total=2256 [2018-02-04 02:40:44,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2018-02-04 02:40:44,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 309. [2018-02-04 02:40:44,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 309 states. [2018-02-04 02:40:44,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 357 transitions. [2018-02-04 02:40:44,392 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 357 transitions. Word has length 62 [2018-02-04 02:40:44,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:40:44,393 INFO L432 AbstractCegarLoop]: Abstraction has 309 states and 357 transitions. [2018-02-04 02:40:44,393 INFO L433 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-02-04 02:40:44,393 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 357 transitions. [2018-02-04 02:40:44,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-02-04 02:40:44,393 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:40:44,393 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:40:44,393 INFO L371 AbstractCegarLoop]: === Iteration 48 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:40:44,394 INFO L82 PathProgramCache]: Analyzing trace with hash -1416452140, now seen corresponding path program 3 times [2018-02-04 02:40:44,394 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:40:44,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:40:44,404 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:40:44,785 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 2 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:44,785 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:40:44,785 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-02-04 02:40:44,786 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:40:44,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:44,786 INFO L182 omatonBuilderFactory]: Interpolants [23648#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 23649#(and (not (= main_~p~0.base |main_#t~malloc5.base|)) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base |main_#t~malloc5.base|))), 23650#(and (= 0 main_~a~0.offset) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base main_~t~0.base))), 23651#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 23652#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem7.offset|) (= 0 main_~a~0.offset) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem7.base|) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base |main_#t~mem7.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem7.base|))), 23653#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 23654#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) 3) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))), 23655#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) 3) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 23656#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) (+ 0 4))) (select (select |#memory_$Pointer$.offset| |main_#t~mem18.base|) (+ 0 4))) 3) (= 0 |main_#t~mem18.offset|)), 23657#(or (<= (+ main_~p~0.offset 1) 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) 3)), 23658#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) 3), 23659#(= (select (select |#memory_int| |main_#t~mem18.base|) |main_#t~mem18.offset|) 3), 23660#(= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3), 23661#(= |main_#t~mem19| 3), 23638#true, 23639#false, 23640#(= 0 |main_#t~malloc0.offset|), 23641#(= 0 main_~a~0.offset), 23642#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 23643#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 23644#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~p~0.base |main_#t~malloc5.base|)) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| |main_#t~malloc5.base|) 1) (= main_~p~0.base main_~a~0.base)), 23645#(and (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= (select |#valid| main_~t~0.base) 1)), 23646#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 1) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 23647#(and (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem7.base|) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base |main_#t~mem7.base|)) (= (select |#valid| |main_#t~mem7.base|) 1) (= 0 |main_#t~mem7.offset|))] [2018-02-04 02:40:44,786 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 2 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:44,786 INFO L409 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-02-04 02:40:44,786 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-02-04 02:40:44,786 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=488, Unknown=0, NotChecked=0, Total=552 [2018-02-04 02:40:44,786 INFO L87 Difference]: Start difference. First operand 309 states and 357 transitions. Second operand 24 states. [2018-02-04 02:40:45,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:40:45,750 INFO L93 Difference]: Finished difference Result 343 states and 389 transitions. [2018-02-04 02:40:45,750 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-02-04 02:40:45,750 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 62 [2018-02-04 02:40:45,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:40:45,751 INFO L225 Difference]: With dead ends: 343 [2018-02-04 02:40:45,751 INFO L226 Difference]: Without dead ends: 343 [2018-02-04 02:40:45,751 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 405 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=292, Invalid=1870, Unknown=0, NotChecked=0, Total=2162 [2018-02-04 02:40:45,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2018-02-04 02:40:45,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 306. [2018-02-04 02:40:45,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 306 states. [2018-02-04 02:40:45,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 353 transitions. [2018-02-04 02:40:45,753 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 353 transitions. Word has length 62 [2018-02-04 02:40:45,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:40:45,753 INFO L432 AbstractCegarLoop]: Abstraction has 306 states and 353 transitions. [2018-02-04 02:40:45,753 INFO L433 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-02-04 02:40:45,753 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 353 transitions. [2018-02-04 02:40:45,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-02-04 02:40:45,753 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:40:45,753 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1] [2018-02-04 02:40:45,754 INFO L371 AbstractCegarLoop]: === Iteration 49 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:40:45,754 INFO L82 PathProgramCache]: Analyzing trace with hash -1603902090, now seen corresponding path program 6 times [2018-02-04 02:40:45,754 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:40:45,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:40:45,766 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:40:46,169 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 02:40:46,169 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:40:46,169 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-02-04 02:40:46,169 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:40:46,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:46,170 INFO L182 omatonBuilderFactory]: Interpolants [24357#true, 24358#false, 24359#(= |main_#t~malloc0.offset| 0), 24360#(= main_~a~0.offset 0), 24361#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 24362#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 24363#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base |main_#t~malloc12.base|)) (= main_~p~0.base main_~a~0.base)), 24364#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 24365#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base main_~a~0.base)), 24366#(and (= (select |#valid| main_~a~0.base) 1) (not (= main_~a~0.base |main_#t~mem14.base|)) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem14.base|) (= main_~a~0.offset 0)), 24367#(and (= (select |#valid| main_~a~0.base) 1) (= main_~a~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 24368#(and (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~malloc12.base|)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 24369#(and (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~a~0.base main_~t~0.base))), 24370#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~a~0.offset 0) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 24371#(and (not (= main_~a~0.base |main_#t~mem14.base|)) (= main_~a~0.offset 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1)), 24372#(and (= main_~a~0.offset 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (not (= main_~p~0.base main_~a~0.base))), 24373#(and (= main_~a~0.offset |main_#t~malloc12.offset|) (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= main_~p~0.base main_~a~0.base))), 24374#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~a~0.offset main_~t~0.offset)), 24375#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 24376#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset |main_#t~mem14.offset|)), 24377#(and (= 0 main_~a~0.offset) (or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= main_~p~0.base main_~a~0.base))) (and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)))), 24378#(and (= 0 main_~a~0.offset) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 3))), 24379#(and (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3)) (= main_~p~0.offset 0)), 24380#(and (= main_~p~0.offset 0) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= |main_#t~mem19| 3))), 24381#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0)), 24382#(= 1 (select |#valid| |main_#t~mem21.base|)), 24383#(= 1 (select |#valid| main_~p~0.base))] [2018-02-04 02:40:46,170 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 02:40:46,170 INFO L409 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-02-04 02:40:46,170 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-02-04 02:40:46,170 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=609, Unknown=0, NotChecked=0, Total=702 [2018-02-04 02:40:46,170 INFO L87 Difference]: Start difference. First operand 306 states and 353 transitions. Second operand 27 states. [2018-02-04 02:40:47,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:40:47,073 INFO L93 Difference]: Finished difference Result 374 states and 424 transitions. [2018-02-04 02:40:47,073 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-02-04 02:40:47,073 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 63 [2018-02-04 02:40:47,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:40:47,074 INFO L225 Difference]: With dead ends: 374 [2018-02-04 02:40:47,074 INFO L226 Difference]: Without dead ends: 374 [2018-02-04 02:40:47,074 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 647 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=562, Invalid=2518, Unknown=0, NotChecked=0, Total=3080 [2018-02-04 02:40:47,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2018-02-04 02:40:47,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 327. [2018-02-04 02:40:47,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 327 states. [2018-02-04 02:40:47,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 376 transitions. [2018-02-04 02:40:47,076 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 376 transitions. Word has length 63 [2018-02-04 02:40:47,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:40:47,077 INFO L432 AbstractCegarLoop]: Abstraction has 327 states and 376 transitions. [2018-02-04 02:40:47,077 INFO L433 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-02-04 02:40:47,077 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 376 transitions. [2018-02-04 02:40:47,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-02-04 02:40:47,077 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:40:47,077 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1] [2018-02-04 02:40:47,077 INFO L371 AbstractCegarLoop]: === Iteration 50 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:40:47,077 INFO L82 PathProgramCache]: Analyzing trace with hash -1603902089, now seen corresponding path program 4 times [2018-02-04 02:40:47,078 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:40:47,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:40:47,084 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:40:47,612 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 02:40:47,612 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:40:47,613 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-02-04 02:40:47,613 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:40:47,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:47,613 INFO L182 omatonBuilderFactory]: Interpolants [25152#(and (= (select |#valid| main_~a~0.base) 1) (not (= main_~a~0.base |main_#t~mem14.base|)) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem14.base|) (= 0 |main_#t~mem14.offset|) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0)), 25153#(and (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 25154#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~malloc12.base|)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 25155#(and (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base main_~t~0.base))), 25156#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (<= (+ main_~p~0.offset 8) (select |#length| main_~p~0.base))), 25157#(and (not (= main_~a~0.base |main_#t~mem14.base|)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1)), 25158#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (not (= main_~p~0.base main_~a~0.base))), 25159#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (or (= main_~a~0.offset |main_#t~malloc12.offset|) (not (= main_~a~0.base |main_#t~malloc12.base|)))), 25160#(and (or (= main_~a~0.offset main_~t~0.offset) (not (= main_~a~0.base main_~t~0.base))) (= 0 main_~a~0.offset) (<= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4)))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4)))), 25161#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (or (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~a~0.offset (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))))), 25162#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (or (not (= main_~a~0.base |main_#t~mem14.base|)) (= main_~a~0.offset |main_#t~mem14.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))), 25163#(and (or (and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)) (and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)))) (= 0 main_~a~0.offset)), 25164#(and (= 0 main_~a~0.offset) (or (and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 3))), 25165#(and (= main_~p~0.offset 0) (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))))) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3))), 25166#(and (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))))) (= |main_#t~mem19| 3)) (= main_~p~0.offset 0)), 25167#(and (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))))), 25168#(and (= 0 |main_#t~mem21.offset|) (<= 8 (select |#length| |main_#t~mem21.base|))), 25169#(and (= main_~p~0.offset 0) (<= 8 (select |#length| main_~p~0.base))), 25143#true, 25144#false, 25145#(= |main_#t~malloc0.offset| 0), 25146#(= main_~a~0.offset 0), 25147#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 25148#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 25149#(and (= 0 |main_#t~malloc12.offset|) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base |main_#t~malloc12.base|)) (= main_~p~0.base main_~a~0.base)), 25150#(and (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 25151#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base main_~a~0.base))] [2018-02-04 02:40:47,613 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 02:40:47,613 INFO L409 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-02-04 02:40:47,613 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-02-04 02:40:47,614 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=608, Unknown=0, NotChecked=0, Total=702 [2018-02-04 02:40:47,614 INFO L87 Difference]: Start difference. First operand 327 states and 376 transitions. Second operand 27 states. [2018-02-04 02:40:48,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:40:48,743 INFO L93 Difference]: Finished difference Result 392 states and 441 transitions. [2018-02-04 02:40:48,743 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-02-04 02:40:48,743 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 63 [2018-02-04 02:40:48,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:40:48,744 INFO L225 Difference]: With dead ends: 392 [2018-02-04 02:40:48,744 INFO L226 Difference]: Without dead ends: 391 [2018-02-04 02:40:48,744 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 552 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=495, Invalid=2367, Unknown=0, NotChecked=0, Total=2862 [2018-02-04 02:40:48,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2018-02-04 02:40:48,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 327. [2018-02-04 02:40:48,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 327 states. [2018-02-04 02:40:48,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 376 transitions. [2018-02-04 02:40:48,746 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 376 transitions. Word has length 63 [2018-02-04 02:40:48,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:40:48,747 INFO L432 AbstractCegarLoop]: Abstraction has 327 states and 376 transitions. [2018-02-04 02:40:48,747 INFO L433 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-02-04 02:40:48,747 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 376 transitions. [2018-02-04 02:40:48,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-02-04 02:40:48,747 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:40:48,747 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:40:48,747 INFO L371 AbstractCegarLoop]: === Iteration 51 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:40:48,747 INFO L82 PathProgramCache]: Analyzing trace with hash 245040054, now seen corresponding path program 2 times [2018-02-04 02:40:48,748 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:40:48,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:40:48,753 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:40:49,063 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:49,063 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:40:49,064 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-02-04 02:40:49,064 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:40:49,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:49,064 INFO L182 omatonBuilderFactory]: Interpolants [25943#true, 25944#false, 25945#(= |main_#t~malloc0.offset| 0), 25946#(= main_~a~0.offset 0), 25947#(and (= main_~a~0.offset 0) (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)), 25948#(and (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= main_~a~0.offset 0) (= main_~p~0.offset main_~a~0.offset) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 25949#(and (not (= main_~p~0.base |main_#t~malloc5.base|)) (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= main_~a~0.offset 0) (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)), 25950#(and (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)), 25951#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= main_~a~0.offset 0) (= main_~p~0.offset main_~a~0.offset) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 25952#(and (= (select |#valid| main_~a~0.base) 1) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~mem7.base|)) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))), 25953#(and (= (select |#valid| main_~a~0.base) 1) (= main_~a~0.offset 0) (= 1 (select (select (store |#memory_int| main_~p~0.base (store (select |#memory_int| main_~p~0.base) main_~p~0.offset 1)) main_~a~0.base) main_~a~0.offset)) (not (= main_~p~0.base main_~a~0.base))), 25954#(and (= main_~a~0.offset 0) (not (= main_~p~0.base main_~a~0.base)) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset)) (not (= main_~a~0.base |main_#t~malloc5.base|))), 25955#(and (= main_~a~0.offset 0) (not (= main_~p~0.base main_~a~0.base)) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset)) (not (= main_~a~0.base main_~t~0.base))), 25956#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~a~0.offset 0) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))), 25957#(and (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~mem7.base|)) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))), 25958#(and (= main_~a~0.offset 0) (not (= main_~p~0.base main_~a~0.base)) (= 1 (select (select (store |#memory_int| main_~p~0.base (store (select |#memory_int| main_~p~0.base) main_~p~0.offset 2)) main_~a~0.base) main_~a~0.offset))), 25959#(and (not (= main_~p~0.base main_~a~0.base)) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset)) (or (= main_~a~0.offset |main_#t~malloc12.offset|) (not (= main_~a~0.base |main_#t~malloc12.base|)))), 25960#(and (or (= main_~a~0.offset main_~t~0.offset) (not (= main_~a~0.base main_~t~0.base))) (not (= main_~p~0.base main_~a~0.base)) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))), 25961#(and (or (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~a~0.offset (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))), 25962#(and (or (not (= main_~a~0.base |main_#t~mem14.base|)) (= main_~a~0.offset |main_#t~mem14.offset|)) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))), 25963#(or (and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)) (= 1 (select (select (store |#memory_int| main_~p~0.base (store (select |#memory_int| main_~p~0.base) main_~p~0.offset 3)) main_~a~0.base) main_~a~0.offset))), 25964#(or (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 3) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))), 25965#(or (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3)), 25966#(or (= 1 |main_#t~mem16|) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3)), 25967#(= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3), 25968#(= |main_#t~mem19| 3)] [2018-02-04 02:40:49,064 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:49,064 INFO L409 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-02-04 02:40:49,064 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-02-04 02:40:49,065 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=539, Unknown=0, NotChecked=0, Total=650 [2018-02-04 02:40:49,065 INFO L87 Difference]: Start difference. First operand 327 states and 376 transitions. Second operand 26 states. [2018-02-04 02:40:50,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:40:50,087 INFO L93 Difference]: Finished difference Result 471 states and 532 transitions. [2018-02-04 02:40:50,087 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-02-04 02:40:50,088 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 63 [2018-02-04 02:40:50,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:40:50,089 INFO L225 Difference]: With dead ends: 471 [2018-02-04 02:40:50,089 INFO L226 Difference]: Without dead ends: 468 [2018-02-04 02:40:50,089 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 583 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=522, Invalid=2130, Unknown=0, NotChecked=0, Total=2652 [2018-02-04 02:40:50,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468 states. [2018-02-04 02:40:50,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468 to 333. [2018-02-04 02:40:50,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 333 states. [2018-02-04 02:40:50,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 383 transitions. [2018-02-04 02:40:50,092 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 383 transitions. Word has length 63 [2018-02-04 02:40:50,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:40:50,092 INFO L432 AbstractCegarLoop]: Abstraction has 333 states and 383 transitions. [2018-02-04 02:40:50,092 INFO L433 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-02-04 02:40:50,092 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 383 transitions. [2018-02-04 02:40:50,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-02-04 02:40:50,092 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:40:50,093 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] [2018-02-04 02:40:50,093 INFO L371 AbstractCegarLoop]: === Iteration 52 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:40:50,093 INFO L82 PathProgramCache]: Analyzing trace with hash -1402038168, now seen corresponding path program 5 times [2018-02-04 02:40:50,093 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:40:50,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:40:50,100 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:40:50,713 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 6 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:50,713 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:40:50,713 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-02-04 02:40:50,713 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:40:50,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:50,714 INFO L182 omatonBuilderFactory]: Interpolants [26825#true, 26826#false, 26827#(= |main_#t~malloc0.offset| 0), 26828#(= main_~a~0.offset 0), 26829#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 26830#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 26831#(and (not (= main_~p~0.base |main_#t~malloc5.base|)) (= |main_#t~malloc5.offset| 0) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 26832#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= main_~t~0.offset 0)), 26833#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 26834#(and (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem7.base|) (= (select |#valid| main_~a~0.base) 1) (= (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)) |main_#t~mem7.offset|) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~mem7.base|))), 26835#(and (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 26836#(and (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base)) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 2)), 26837#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~malloc12.base|)) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base |main_#t~malloc12.base|)) (not (= main_~p~0.base main_~a~0.base)) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 2)), 26838#(and (= main_~p~0.offset (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 2) (not (= main_~a~0.base main_~t~0.base))), 26839#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 2)), 26840#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) 2) (not (= main_~a~0.base |main_#t~mem14.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem14.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset 0)), 26841#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset 0) (= (select (select (store |#memory_int| main_~p~0.base (store (select |#memory_int| main_~p~0.base) main_~p~0.offset 2)) (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) 2) (not (= main_~p~0.base main_~a~0.base))), 26842#(and (= main_~a~0.offset |main_#t~malloc12.offset|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) 2) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~malloc12.base|)) (not (= main_~p~0.base main_~a~0.base))), 26843#(and (not (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~a~0.offset main_~t~0.offset) (= (select (select |#memory_int| (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) 2) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (not (= (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4)) main_~t~0.base))), 26844#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) 2) (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 26845#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) 2) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem14.base|)) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset |main_#t~mem14.offset|)), 26846#(and (= 0 main_~a~0.offset) (or (and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)) (and (= (select (select (store |#memory_int| main_~p~0.base (store (select |#memory_int| main_~p~0.base) main_~p~0.offset 3)) (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) 2) (not (= main_~p~0.base main_~a~0.base))))), 26847#(and (= 0 main_~a~0.offset) (or (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) 2) (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 3))), 26848#(and (= main_~p~0.offset 0) (or (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) 2) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3))), 26849#(and (= main_~p~0.offset 0) (or (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) 2) (and (= |main_#t~mem16| (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3)))), 26850#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) 2) (= main_~p~0.offset 0)), 26851#(= (select (select |#memory_int| |main_#t~mem18.base|) |main_#t~mem18.offset|) 2), 26852#(= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 2), 26853#(= |main_#t~mem16| 2)] [2018-02-04 02:40:50,714 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 6 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:50,714 INFO L409 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-02-04 02:40:50,714 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-02-04 02:40:50,714 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=708, Unknown=0, NotChecked=0, Total=812 [2018-02-04 02:40:50,714 INFO L87 Difference]: Start difference. First operand 333 states and 383 transitions. Second operand 29 states. [2018-02-04 02:40:52,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:40:52,152 INFO L93 Difference]: Finished difference Result 405 states and 455 transitions. [2018-02-04 02:40:52,196 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-02-04 02:40:52,197 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 65 [2018-02-04 02:40:52,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:40:52,198 INFO L225 Difference]: With dead ends: 405 [2018-02-04 02:40:52,198 INFO L226 Difference]: Without dead ends: 405 [2018-02-04 02:40:52,198 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 792 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=538, Invalid=3122, Unknown=0, NotChecked=0, Total=3660 [2018-02-04 02:40:52,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2018-02-04 02:40:52,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 343. [2018-02-04 02:40:52,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 343 states. [2018-02-04 02:40:52,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 393 transitions. [2018-02-04 02:40:52,200 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 393 transitions. Word has length 65 [2018-02-04 02:40:52,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:40:52,201 INFO L432 AbstractCegarLoop]: Abstraction has 343 states and 393 transitions. [2018-02-04 02:40:52,201 INFO L433 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-02-04 02:40:52,201 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 393 transitions. [2018-02-04 02:40:52,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-02-04 02:40:52,201 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:40:52,201 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] [2018-02-04 02:40:52,201 INFO L371 AbstractCegarLoop]: === Iteration 53 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:40:52,201 INFO L82 PathProgramCache]: Analyzing trace with hash 1317070014, now seen corresponding path program 6 times [2018-02-04 02:40:52,202 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:40:52,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:40:52,210 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:40:52,921 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 02:40:52,922 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:40:52,922 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-02-04 02:40:52,922 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:40:52,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:52,922 INFO L182 omatonBuilderFactory]: Interpolants [27666#true, 27667#false, 27668#(= |main_#t~malloc0.offset| 0), 27669#(= main_~a~0.offset 0), 27670#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 27671#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 27672#(and (not (= main_~p~0.base |main_#t~malloc5.base|)) (= |main_#t~malloc5.offset| 0) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| |main_#t~malloc5.base|) 1) (= main_~p~0.base main_~a~0.base)), 27673#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= main_~t~0.offset 0) (= (select |#valid| main_~t~0.base) 1)), 27674#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 1) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 27675#(and (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem7.base|) (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~mem7.base|)) (= (select |#valid| |main_#t~mem7.base|) 1) (= 0 |main_#t~mem7.offset|)), 27676#(and (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (or (<= (+ main_~p~0.offset 1) 0) (= main_~p~0.offset 0)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 27677#(and (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 27678#(and (not (= main_~p~0.base |main_#t~malloc5.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base |main_#t~malloc5.base|))), 27679#(and (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base main_~t~0.base))), 27680#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 27681#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~mem7.base|)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem7.base|))), 27682#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~a~0.base))), 27683#(and (= main_~a~0.offset |main_#t~malloc12.offset|) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~malloc12.base|)) (not (= main_~p~0.base main_~a~0.base))), 27684#(and (= 0 main_~a~0.offset) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~a~0.offset main_~t~0.offset) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (not (= (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4)) main_~t~0.base))), 27685#(and (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 1 (select |#valid| main_~p~0.base))), 27686#(and (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem14.base|)) (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset |main_#t~mem14.offset|)), 27687#(and (= 0 main_~a~0.offset) (or (and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))) (and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)))), 27688#(and (= 0 main_~a~0.offset) (or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 3))), 27689#(and (or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3)) (= main_~p~0.offset 0)), 27690#(and (= main_~p~0.offset 0) (or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))) (and (= |main_#t~mem16| (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3)))), 27691#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 27692#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) (+ 0 4)))) (= 0 |main_#t~mem18.offset|)), 27693#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0)), 27694#(= 1 (select |#valid| |main_#t~mem18.base|)), 27695#(= 1 (select |#valid| main_~p~0.base))] [2018-02-04 02:40:52,922 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 02:40:52,922 INFO L409 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-02-04 02:40:52,922 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-02-04 02:40:52,923 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=771, Unknown=0, NotChecked=0, Total=870 [2018-02-04 02:40:52,923 INFO L87 Difference]: Start difference. First operand 343 states and 393 transitions. Second operand 30 states. [2018-02-04 02:40:54,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:40:54,685 INFO L93 Difference]: Finished difference Result 415 states and 467 transitions. [2018-02-04 02:40:54,685 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-02-04 02:40:54,685 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 65 [2018-02-04 02:40:54,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:40:54,686 INFO L225 Difference]: With dead ends: 415 [2018-02-04 02:40:54,686 INFO L226 Difference]: Without dead ends: 415 [2018-02-04 02:40:54,687 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 936 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=631, Invalid=3529, Unknown=0, NotChecked=0, Total=4160 [2018-02-04 02:40:54,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2018-02-04 02:40:54,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 357. [2018-02-04 02:40:54,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 357 states. [2018-02-04 02:40:54,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 409 transitions. [2018-02-04 02:40:54,689 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 409 transitions. Word has length 65 [2018-02-04 02:40:54,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:40:54,690 INFO L432 AbstractCegarLoop]: Abstraction has 357 states and 409 transitions. [2018-02-04 02:40:54,690 INFO L433 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-02-04 02:40:54,690 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 409 transitions. [2018-02-04 02:40:54,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-02-04 02:40:54,690 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:40:54,690 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] [2018-02-04 02:40:54,690 INFO L371 AbstractCegarLoop]: === Iteration 54 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:40:54,690 INFO L82 PathProgramCache]: Analyzing trace with hash 1317070015, now seen corresponding path program 4 times [2018-02-04 02:40:54,691 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:40:54,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:40:54,699 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:40:55,641 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 02:40:55,641 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:40:55,641 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-02-04 02:40:55,641 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:40:55,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:55,642 INFO L182 omatonBuilderFactory]: Interpolants [28544#(and (not (= main_~p~0.base |main_#t~malloc5.base|)) (= |main_#t~malloc5.offset| 0) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 1 (select |#valid| |main_#t~malloc5.base|)) (= main_~p~0.base main_~a~0.base)), 28545#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= 1 (select |#valid| main_~t~0.base)) (= main_~t~0.offset 0)), 28546#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 28547#(and (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem7.base|) (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~mem7.base|)) (= 0 |main_#t~mem7.offset|) (= 1 (select |#valid| |main_#t~mem7.base|))), 28548#(and (= (select |#valid| main_~a~0.base) 1) (or (and (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (<= (+ main_~p~0.offset 1) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= 1 (select |#valid| main_~p~0.base)) (not (= main_~p~0.base main_~a~0.base))), 28549#(and (= (select |#valid| main_~a~0.base) 1) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| main_~p~0.base)) (not (= main_~p~0.base main_~a~0.base))), 28550#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~p~0.base |main_#t~malloc5.base|)) (= 8 (select |#length| |main_#t~malloc5.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| |main_#t~malloc5.base|) 1) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base |main_#t~malloc5.base|))), 28551#(and (= 8 (select |#length| main_~t~0.base)) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base main_~t~0.base)) (= (select |#valid| main_~t~0.base) 1)), 28552#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 1) (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ 0 4))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| main_~p~0.base))), 28553#(and (= 8 (select |#length| |main_#t~mem7.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~mem7.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| |main_#t~mem7.base|) 1) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem7.base|))), 28554#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (= 8 (select |#length| main_~p~0.base)) (not (= main_~p~0.base main_~a~0.base))), 28555#(and (= main_~a~0.offset |main_#t~malloc12.offset|) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~malloc12.base|)) (= 8 (select |#length| main_~p~0.base)) (not (= main_~p~0.base main_~a~0.base))), 28556#(and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~a~0.offset main_~t~0.offset) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (not (= (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4)) main_~t~0.base)) (= 8 (select |#length| main_~p~0.base))), 28557#(and (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 8 (select |#length| main_~p~0.base))), 28558#(and (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem14.base|)) (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~a~0.offset |main_#t~mem14.offset|)), 28559#(and (= 0 main_~a~0.offset) (or (and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)) (and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))))), 28560#(and (= 0 main_~a~0.offset) (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 3))), 28561#(and (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3)) (= main_~p~0.offset 0)), 28562#(and (= main_~p~0.offset 0) (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (and (= |main_#t~mem16| (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3)))), 28563#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))), 28564#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem18.base|) (+ 0 4))) (= 0 |main_#t~mem18.offset|)), 28565#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 28566#(and (= 8 (select |#length| |main_#t~mem18.base|)) (= 0 |main_#t~mem18.offset|)), 28567#(and (= main_~p~0.offset 0) (= 8 (select |#length| main_~p~0.base))), 28538#true, 28539#false, 28540#(= |main_#t~malloc0.offset| 0), 28541#(= main_~a~0.offset 0), 28542#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 28543#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base))] [2018-02-04 02:40:55,642 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 02:40:55,642 INFO L409 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-02-04 02:40:55,642 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-02-04 02:40:55,642 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=770, Unknown=0, NotChecked=0, Total=870 [2018-02-04 02:40:55,642 INFO L87 Difference]: Start difference. First operand 357 states and 409 transitions. Second operand 30 states. [2018-02-04 02:40:57,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:40:57,502 INFO L93 Difference]: Finished difference Result 439 states and 494 transitions. [2018-02-04 02:40:57,502 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-02-04 02:40:57,502 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 65 [2018-02-04 02:40:57,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:40:57,503 INFO L225 Difference]: With dead ends: 439 [2018-02-04 02:40:57,503 INFO L226 Difference]: Without dead ends: 439 [2018-02-04 02:40:57,503 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 739 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=474, Invalid=2948, Unknown=0, NotChecked=0, Total=3422 [2018-02-04 02:40:57,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2018-02-04 02:40:57,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 361. [2018-02-04 02:40:57,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 361 states. [2018-02-04 02:40:57,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 414 transitions. [2018-02-04 02:40:57,505 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 414 transitions. Word has length 65 [2018-02-04 02:40:57,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:40:57,505 INFO L432 AbstractCegarLoop]: Abstraction has 361 states and 414 transitions. [2018-02-04 02:40:57,506 INFO L433 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-02-04 02:40:57,506 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 414 transitions. [2018-02-04 02:40:57,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-02-04 02:40:57,506 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:40:57,506 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2018-02-04 02:40:57,506 INFO L371 AbstractCegarLoop]: === Iteration 55 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:40:57,506 INFO L82 PathProgramCache]: Analyzing trace with hash -400362968, now seen corresponding path program 7 times [2018-02-04 02:40:57,507 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:40:57,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:40:57,516 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:40:58,187 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:58,187 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:40:58,187 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-02-04 02:40:58,188 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:40:58,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:58,188 INFO L182 omatonBuilderFactory]: Interpolants [29440#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~mem7.base|)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem7.base|))), 29441#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~a~0.base))), 29442#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~a~0.offset |main_#t~malloc5.offset|) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~malloc5.base|)) (not (= main_~p~0.base main_~a~0.base))), 29443#(and (= 0 main_~a~0.offset) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~a~0.offset main_~t~0.offset) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (not (= (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4)) main_~t~0.base))), 29444#(and (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 29445#(and (= 0 main_~a~0.offset) (= main_~a~0.offset |main_#t~mem7.offset|) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem7.base|))), 29446#(or (and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)) (and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)))), 29447#(or (and (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 3)), 29448#(or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3)), 29449#(or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))) (and (= |main_#t~mem16| (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3))), 29450#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 29451#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) (+ 0 4)))) (= 0 |main_#t~mem18.offset|)), 29452#(or (<= (+ main_~p~0.offset 1) 0) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0))), 29453#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0)), 29454#(= 1 (select |#valid| |main_#t~mem18.base|)), 29455#(= 1 (select |#valid| main_~p~0.base)), 29426#true, 29427#false, 29428#(= |main_#t~malloc0.offset| 0), 29429#(= main_~a~0.offset 0), 29430#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 29431#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 29432#(and (not (= main_~p~0.base |main_#t~malloc5.base|)) (= |main_#t~malloc5.offset| 0) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| |main_#t~malloc5.base|) 1) (= main_~p~0.base main_~a~0.base)), 29433#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= main_~t~0.offset 0) (= (select |#valid| main_~t~0.base) 1)), 29434#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 1) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 29435#(and (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem7.base|) (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~mem7.base|)) (= (select |#valid| |main_#t~mem7.base|) 1) (= 0 |main_#t~mem7.offset|)), 29436#(and (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 29437#(and (not (= main_~p~0.base |main_#t~malloc5.base|)) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base |main_#t~malloc5.base|))), 29438#(and (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~a~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base main_~t~0.base))), 29439#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))))] [2018-02-04 02:40:58,188 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:40:58,188 INFO L409 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-02-04 02:40:58,188 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-02-04 02:40:58,188 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=775, Unknown=0, NotChecked=0, Total=870 [2018-02-04 02:40:58,188 INFO L87 Difference]: Start difference. First operand 361 states and 414 transitions. Second operand 30 states. [2018-02-04 02:41:00,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:41:00,060 INFO L93 Difference]: Finished difference Result 429 states and 483 transitions. [2018-02-04 02:41:00,060 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-02-04 02:41:00,060 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 65 [2018-02-04 02:41:00,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:41:00,061 INFO L225 Difference]: With dead ends: 429 [2018-02-04 02:41:00,061 INFO L226 Difference]: Without dead ends: 429 [2018-02-04 02:41:00,061 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 996 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=660, Invalid=3762, Unknown=0, NotChecked=0, Total=4422 [2018-02-04 02:41:00,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2018-02-04 02:41:00,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 365. [2018-02-04 02:41:00,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 365 states. [2018-02-04 02:41:00,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 419 transitions. [2018-02-04 02:41:00,064 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 419 transitions. Word has length 65 [2018-02-04 02:41:00,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:41:00,064 INFO L432 AbstractCegarLoop]: Abstraction has 365 states and 419 transitions. [2018-02-04 02:41:00,064 INFO L433 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-02-04 02:41:00,064 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 419 transitions. [2018-02-04 02:41:00,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-02-04 02:41:00,064 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:41:00,064 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2018-02-04 02:41:00,065 INFO L371 AbstractCegarLoop]: === Iteration 56 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:41:00,065 INFO L82 PathProgramCache]: Analyzing trace with hash -400362967, now seen corresponding path program 5 times [2018-02-04 02:41:00,065 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:41:00,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:41:00,079 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:41:00,980 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:41:00,980 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:41:00,980 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-02-04 02:41:00,980 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:41:00,980 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 02:41:00,980 INFO L182 omatonBuilderFactory]: Interpolants [30336#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~p~0.base |main_#t~malloc5.base|)) (= 8 (select |#length| |main_#t~malloc5.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| |main_#t~malloc5.base|) 1) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base |main_#t~malloc5.base|))), 30337#(and (= 8 (select |#length| main_~t~0.base)) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base main_~t~0.base)) (= (select |#valid| main_~t~0.base) 1)), 30338#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 1) (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ 0 4))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 30339#(and (= 8 (select |#length| |main_#t~mem7.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~mem7.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| |main_#t~mem7.base|) 1) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem7.base|))), 30340#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base)) (= 8 (select |#length| main_~p~0.base))), 30341#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~a~0.offset |main_#t~malloc5.offset|) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~malloc5.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (= 8 (select |#length| main_~p~0.base))), 30342#(and (= 0 main_~a~0.offset) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~a~0.offset main_~t~0.offset) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (not (= (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4)) main_~t~0.base)) (= 8 (select |#length| main_~p~0.base))), 30343#(and (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 8 (select |#length| main_~p~0.base))), 30344#(and (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= main_~a~0.offset |main_#t~mem7.offset|) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem7.base|))), 30345#(and (= 0 main_~a~0.offset) (or (and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)) (and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))))), 30346#(and (= 0 main_~a~0.offset) (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 3))), 30347#(and (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3)) (= main_~p~0.offset 0)), 30348#(and (= main_~p~0.offset 0) (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (and (= |main_#t~mem16| (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3)))), 30349#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))), 30350#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem18.base|) (+ 0 4))) (= 0 |main_#t~mem18.offset|)), 30351#(or (<= (+ main_~p~0.offset 1) 0) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))))), 30352#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 30353#(and (= 8 (select |#length| |main_#t~mem18.base|)) (= 0 |main_#t~mem18.offset|)), 30354#(and (= main_~p~0.offset 0) (= 8 (select |#length| main_~p~0.base))), 30324#true, 30325#false, 30326#(= |main_#t~malloc0.offset| 0), 30327#(= main_~a~0.offset 0), 30328#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 30329#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 30330#(and (not (= main_~p~0.base |main_#t~malloc5.base|)) (= |main_#t~malloc5.offset| 0) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 1 (select |#valid| |main_#t~malloc5.base|)) (= main_~p~0.base main_~a~0.base)), 30331#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= 1 (select |#valid| main_~t~0.base)) (= main_~t~0.offset 0)), 30332#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 30333#(and (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem7.base|) (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~mem7.base|)) (= 0 |main_#t~mem7.offset|) (= 1 (select |#valid| |main_#t~mem7.base|))), 30334#(and (= (select |#valid| main_~a~0.base) 1) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~a~0.base)) (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (<= (+ main_~p~0.offset 1) 0))), 30335#(and (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)))] [2018-02-04 02:41:00,980 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:41:00,981 INFO L409 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-02-04 02:41:00,981 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-02-04 02:41:00,981 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=826, Unknown=0, NotChecked=0, Total=930 [2018-02-04 02:41:00,981 INFO L87 Difference]: Start difference. First operand 365 states and 419 transitions. Second operand 31 states. [2018-02-04 02:41:01,653 WARN L146 SmtUtils]: Spent 135ms on a formula simplification. DAG size of input: 98 DAG size of output 77 [2018-02-04 02:41:03,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:41:03,254 INFO L93 Difference]: Finished difference Result 453 states and 510 transitions. [2018-02-04 02:41:03,254 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-02-04 02:41:03,254 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 65 [2018-02-04 02:41:03,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:41:03,255 INFO L225 Difference]: With dead ends: 453 [2018-02-04 02:41:03,255 INFO L226 Difference]: Without dead ends: 453 [2018-02-04 02:41:03,255 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 786 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=494, Invalid=3046, Unknown=0, NotChecked=0, Total=3540 [2018-02-04 02:41:03,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2018-02-04 02:41:03,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 351. [2018-02-04 02:41:03,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 351 states. [2018-02-04 02:41:03,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 403 transitions. [2018-02-04 02:41:03,257 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 403 transitions. Word has length 65 [2018-02-04 02:41:03,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:41:03,257 INFO L432 AbstractCegarLoop]: Abstraction has 351 states and 403 transitions. [2018-02-04 02:41:03,257 INFO L433 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-02-04 02:41:03,258 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 403 transitions. [2018-02-04 02:41:03,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-02-04 02:41:03,258 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:41:03,258 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:41:03,258 INFO L371 AbstractCegarLoop]: === Iteration 57 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:41:03,258 INFO L82 PathProgramCache]: Analyzing trace with hash -1242555573, now seen corresponding path program 2 times [2018-02-04 02:41:03,258 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:41:03,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:41:03,265 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:41:03,284 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-02-04 02:41:03,284 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:41:03,284 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2018-02-04 02:41:03,284 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:41:03,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:41:03,285 INFO L182 omatonBuilderFactory]: Interpolants [31217#true, 31218#false, 31219#(and (= main_~y~0 0) (= main_~i~0 0)), 31220#(and (<= main_~y~0 1) (= main_~i~0 0)), 31221#(and (<= main_~y~0 2) (= main_~i~0 0))] [2018-02-04 02:41:03,285 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-02-04 02:41:03,285 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 02:41:03,285 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 02:41:03,285 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-02-04 02:41:03,285 INFO L87 Difference]: Start difference. First operand 351 states and 403 transitions. Second operand 5 states. [2018-02-04 02:41:03,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:41:03,307 INFO L93 Difference]: Finished difference Result 380 states and 430 transitions. [2018-02-04 02:41:03,307 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 02:41:03,307 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 67 [2018-02-04 02:41:03,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:41:03,308 INFO L225 Difference]: With dead ends: 380 [2018-02-04 02:41:03,308 INFO L226 Difference]: Without dead ends: 360 [2018-02-04 02:41:03,308 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-02-04 02:41:03,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2018-02-04 02:41:03,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 350. [2018-02-04 02:41:03,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 350 states. [2018-02-04 02:41:03,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 405 transitions. [2018-02-04 02:41:03,311 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 405 transitions. Word has length 67 [2018-02-04 02:41:03,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:41:03,311 INFO L432 AbstractCegarLoop]: Abstraction has 350 states and 405 transitions. [2018-02-04 02:41:03,311 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 02:41:03,311 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 405 transitions. [2018-02-04 02:41:03,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-02-04 02:41:03,312 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:41:03,312 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:41:03,312 INFO L371 AbstractCegarLoop]: === Iteration 58 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:41:03,312 INFO L82 PathProgramCache]: Analyzing trace with hash 1970809554, now seen corresponding path program 1 times [2018-02-04 02:41:03,313 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:41:03,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:41:03,320 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:41:03,342 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-02-04 02:41:03,342 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:41:03,343 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2018-02-04 02:41:03,343 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:41:03,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:41:03,343 INFO L182 omatonBuilderFactory]: Interpolants [31952#true, 31953#false, 31954#(and (= main_~y~0 0) (= main_~i~0 0)), 31955#(and (= main_~y~0 0) (<= main_~i~0 1)), 31956#(<= (+ main_~i~0 main_~y~0) 2)] [2018-02-04 02:41:03,343 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-02-04 02:41:03,343 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 02:41:03,343 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 02:41:03,343 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-02-04 02:41:03,343 INFO L87 Difference]: Start difference. First operand 350 states and 405 transitions. Second operand 5 states. [2018-02-04 02:41:03,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:41:03,361 INFO L93 Difference]: Finished difference Result 379 states and 433 transitions. [2018-02-04 02:41:03,361 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 02:41:03,361 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 67 [2018-02-04 02:41:03,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:41:03,362 INFO L225 Difference]: With dead ends: 379 [2018-02-04 02:41:03,362 INFO L226 Difference]: Without dead ends: 344 [2018-02-04 02:41:03,362 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-02-04 02:41:03,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2018-02-04 02:41:03,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 320. [2018-02-04 02:41:03,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2018-02-04 02:41:03,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 377 transitions. [2018-02-04 02:41:03,364 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 377 transitions. Word has length 67 [2018-02-04 02:41:03,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:41:03,364 INFO L432 AbstractCegarLoop]: Abstraction has 320 states and 377 transitions. [2018-02-04 02:41:03,364 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 02:41:03,364 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 377 transitions. [2018-02-04 02:41:03,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-02-04 02:41:03,365 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:41:03,365 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2018-02-04 02:41:03,365 INFO L371 AbstractCegarLoop]: === Iteration 59 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:41:03,365 INFO L82 PathProgramCache]: Analyzing trace with hash -680046676, now seen corresponding path program 7 times [2018-02-04 02:41:03,365 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:41:03,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:41:03,373 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:41:04,132 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:41:04,132 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:41:04,132 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-02-04 02:41:04,132 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:41:04,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:41:04,133 INFO L182 omatonBuilderFactory]: Interpolants [32656#true, 32657#false, 32658#(= |main_#t~malloc0.offset| 0), 32659#(= main_~a~0.offset 0), 32660#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 32661#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 32662#(and (= 0 |main_#t~malloc12.offset|) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base |main_#t~malloc12.base|)) (= main_~p~0.base main_~a~0.base)), 32663#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= main_~t~0.offset 0)), 32664#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base main_~a~0.base)), 32665#(and (= (select |#valid| main_~a~0.base) 1) (not (= main_~a~0.base |main_#t~mem14.base|)) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem14.base|) (= 0 |main_#t~mem14.offset|) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0)), 32666#(and (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 32667#(and (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 32668#(and (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~malloc12.base|)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base |main_#t~malloc12.base|)) (not (= main_~p~0.base main_~a~0.base))), 32669#(and (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~a~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base main_~t~0.base))), 32670#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 32671#(and (= |main_#t~mem14.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~a~0.base |main_#t~mem14.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem14.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset 0)), 32672#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= main_~p~0.base main_~a~0.base))), 32673#(and (= main_~a~0.offset |main_#t~malloc12.offset|) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~malloc12.base|)) (not (= main_~p~0.base main_~a~0.base))), 32674#(and (= 0 main_~a~0.offset) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~a~0.offset main_~t~0.offset) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (not (= (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4)) main_~t~0.base))), 32675#(and (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 1 (select |#valid| main_~p~0.base))), 32676#(and (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem14.base|)) (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset |main_#t~mem14.offset|)), 32677#(or (and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)) (and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)))), 32678#(or (and (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 3)), 32679#(or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3)), 32680#(or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))) (and (= |main_#t~mem19| (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3))), 32681#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 32682#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) (+ 0 4)))) (= 0 |main_#t~mem21.offset|)), 32683#(or (<= (+ main_~p~0.offset 1) 0) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0))), 32684#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0)), 32685#(= 1 (select |#valid| |main_#t~mem21.base|)), 32686#(= 1 (select |#valid| main_~p~0.base))] [2018-02-04 02:41:04,133 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:41:04,133 INFO L409 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-02-04 02:41:04,133 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-02-04 02:41:04,133 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=832, Unknown=0, NotChecked=0, Total=930 [2018-02-04 02:41:04,133 INFO L87 Difference]: Start difference. First operand 320 states and 377 transitions. Second operand 31 states. [2018-02-04 02:41:05,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:41:05,576 INFO L93 Difference]: Finished difference Result 361 states and 419 transitions. [2018-02-04 02:41:05,576 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-02-04 02:41:05,576 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 68 [2018-02-04 02:41:05,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:41:05,577 INFO L225 Difference]: With dead ends: 361 [2018-02-04 02:41:05,577 INFO L226 Difference]: Without dead ends: 361 [2018-02-04 02:41:05,577 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 948 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=571, Invalid=3589, Unknown=0, NotChecked=0, Total=4160 [2018-02-04 02:41:05,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2018-02-04 02:41:05,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 325. [2018-02-04 02:41:05,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 325 states. [2018-02-04 02:41:05,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 382 transitions. [2018-02-04 02:41:05,579 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 382 transitions. Word has length 68 [2018-02-04 02:41:05,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:41:05,579 INFO L432 AbstractCegarLoop]: Abstraction has 325 states and 382 transitions. [2018-02-04 02:41:05,580 INFO L433 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-02-04 02:41:05,580 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 382 transitions. [2018-02-04 02:41:05,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-02-04 02:41:05,580 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:41:05,580 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2018-02-04 02:41:05,580 INFO L371 AbstractCegarLoop]: === Iteration 60 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:41:05,580 INFO L82 PathProgramCache]: Analyzing trace with hash -680046675, now seen corresponding path program 5 times [2018-02-04 02:41:05,580 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:41:05,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:41:05,588 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:41:06,462 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:41:06,462 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:41:06,462 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-02-04 02:41:06,462 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:41:06,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:41:06,462 INFO L182 omatonBuilderFactory]: Interpolants [33441#true, 33442#false, 33443#(= |main_#t~malloc0.offset| 0), 33444#(= main_~a~0.offset 0), 33445#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 33446#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 33447#(and (= 0 |main_#t~malloc12.offset|) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base |main_#t~malloc12.base|)) (= main_~p~0.base main_~a~0.base)), 33448#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= main_~t~0.offset 0)), 33449#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base main_~a~0.base)), 33450#(and (= (select |#valid| main_~a~0.base) 1) (not (= main_~a~0.base |main_#t~mem14.base|)) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem14.base|) (= 0 |main_#t~mem14.offset|) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0)), 33451#(and (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 33452#(and (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 33453#(and (= (select |#valid| |main_#t~malloc12.base|) 1) (= 0 |main_#t~malloc12.offset|) (= 8 (select |#length| |main_#t~malloc12.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~malloc12.base|)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base |main_#t~malloc12.base|)) (not (= main_~p~0.base main_~a~0.base))), 33454#(and (= 8 (select |#length| main_~t~0.base)) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base main_~t~0.base)) (= (select |#valid| main_~t~0.base) 1)), 33455#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 1) (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ 0 4))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| main_~p~0.base))), 33456#(and (= 8 (select |#length| |main_#t~mem14.base|)) (= |main_#t~mem14.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~a~0.base |main_#t~mem14.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem14.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| |main_#t~mem14.base|) 1)), 33457#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (= 8 (select |#length| main_~p~0.base)) (not (= main_~p~0.base main_~a~0.base))), 33458#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~malloc12.base|)) (= 8 (select |#length| main_~p~0.base)) (not (= main_~p~0.base main_~a~0.base)) (or (= main_~a~0.offset |main_#t~malloc12.offset|) (not (= main_~a~0.base |main_#t~malloc12.base|)))), 33459#(and (or (= main_~a~0.offset main_~t~0.offset) (not (= main_~a~0.base main_~t~0.base))) (= 0 main_~a~0.offset) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (not (= (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4)) main_~t~0.base)) (= 8 (select |#length| main_~p~0.base))), 33460#(and (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (or (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~a~0.offset (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 8 (select |#length| main_~p~0.base))), 33461#(and (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem14.base|)) (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (or (not (= main_~a~0.base |main_#t~mem14.base|)) (= main_~a~0.offset |main_#t~mem14.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))), 33462#(and (= 0 main_~a~0.offset) (or (and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)) (and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))))), 33463#(and (= 0 main_~a~0.offset) (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 3))), 33464#(and (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3)) (= main_~p~0.offset 0)), 33465#(and (= main_~p~0.offset 0) (or (and (= |main_#t~mem19| (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3)) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))))), 33466#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))), 33467#(and (= 0 |main_#t~mem21.offset|) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem21.base|) (+ 0 4)))), 33468#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 33469#(and (= 0 |main_#t~mem21.offset|) (= 8 (select |#length| |main_#t~mem21.base|))), 33470#(and (= (select |#length| main_~p~0.base) 8) (= main_~p~0.offset 0))] [2018-02-04 02:41:06,463 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:41:06,463 INFO L409 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-02-04 02:41:06,463 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-02-04 02:41:06,463 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=769, Unknown=0, NotChecked=0, Total=870 [2018-02-04 02:41:06,463 INFO L87 Difference]: Start difference. First operand 325 states and 382 transitions. Second operand 30 states. [2018-02-04 02:41:07,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:41:07,932 INFO L93 Difference]: Finished difference Result 381 states and 438 transitions. [2018-02-04 02:41:07,932 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-02-04 02:41:07,932 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 68 [2018-02-04 02:41:07,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:41:07,933 INFO L225 Difference]: With dead ends: 381 [2018-02-04 02:41:07,933 INFO L226 Difference]: Without dead ends: 380 [2018-02-04 02:41:07,933 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 680 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=439, Invalid=2753, Unknown=0, NotChecked=0, Total=3192 [2018-02-04 02:41:07,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2018-02-04 02:41:07,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 325. [2018-02-04 02:41:07,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 325 states. [2018-02-04 02:41:07,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 382 transitions. [2018-02-04 02:41:07,935 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 382 transitions. Word has length 68 [2018-02-04 02:41:07,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:41:07,936 INFO L432 AbstractCegarLoop]: Abstraction has 325 states and 382 transitions. [2018-02-04 02:41:07,936 INFO L433 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-02-04 02:41:07,936 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 382 transitions. [2018-02-04 02:41:07,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-02-04 02:41:07,936 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:41:07,936 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:41:07,936 INFO L371 AbstractCegarLoop]: === Iteration 61 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:41:07,936 INFO L82 PathProgramCache]: Analyzing trace with hash 900627935, now seen corresponding path program 3 times [2018-02-04 02:41:07,937 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:41:07,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:41:07,944 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:41:08,615 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:41:08,616 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:41:08,616 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-02-04 02:41:08,616 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:41:08,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:41:08,616 INFO L182 omatonBuilderFactory]: Interpolants [34240#(and (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem7.base|) (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~mem7.base|)) (= 0 |main_#t~mem7.offset|)), 34241#(and (= (select |#valid| main_~a~0.base) 1) (= (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)) 0) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 34242#(and (= (select |#valid| main_~a~0.base) 1) (= (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)) 0) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 34243#(and (= (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)) 0) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~malloc12.base|)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base |main_#t~malloc12.base|)) (not (= main_~p~0.base main_~a~0.base))), 34244#(and (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base main_~t~0.base))), 34245#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 34246#(and (= |main_#t~mem14.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~a~0.base |main_#t~mem14.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem14.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset 0)), 34247#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~a~0.base))), 34248#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~malloc12.base|)) (or (= main_~a~0.offset |main_#t~malloc12.offset|) (not (= main_~a~0.base |main_#t~malloc12.base|)))), 34249#(and (or (= main_~a~0.offset main_~t~0.offset) (not (= main_~a~0.base main_~t~0.base))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (not (= (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4)) main_~t~0.base))), 34250#(and (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| main_~p~0.base)) (or (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~a~0.offset (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))))), 34251#(and (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem14.base|)) (= 0 main_~a~0.offset) (or (not (= main_~a~0.base |main_#t~mem14.base|)) (= main_~a~0.offset |main_#t~mem14.offset|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))), 34252#(and (= 0 main_~a~0.offset) (or (and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))) (and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)))), 34253#(and (= 0 main_~a~0.offset) (or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 3))), 34254#(and (or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3)) (= main_~p~0.offset 0)), 34255#(and (= main_~p~0.offset 0) (or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))) (and (= |main_#t~mem16| (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3)))), 34256#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 34257#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) (+ 0 4)))) (= 0 |main_#t~mem18.offset|)), 34258#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0)), 34259#(= 1 (select |#valid| |main_#t~mem21.base|)), 34260#(= 1 (select |#valid| main_~p~0.base)), 34231#true, 34232#false, 34233#(= |main_#t~malloc0.offset| 0), 34234#(= main_~a~0.offset 0), 34235#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 34236#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 34237#(and (not (= main_~p~0.base |main_#t~malloc5.base|)) (= |main_#t~malloc5.offset| 0) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 34238#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= main_~t~0.offset 0)), 34239#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base))] [2018-02-04 02:41:08,616 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:41:08,616 INFO L409 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-02-04 02:41:08,617 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-02-04 02:41:08,617 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=773, Unknown=0, NotChecked=0, Total=870 [2018-02-04 02:41:08,617 INFO L87 Difference]: Start difference. First operand 325 states and 382 transitions. Second operand 30 states. [2018-02-04 02:41:10,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:41:10,031 INFO L93 Difference]: Finished difference Result 368 states and 426 transitions. [2018-02-04 02:41:10,031 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-02-04 02:41:10,031 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 68 [2018-02-04 02:41:10,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:41:10,032 INFO L225 Difference]: With dead ends: 368 [2018-02-04 02:41:10,032 INFO L226 Difference]: Without dead ends: 368 [2018-02-04 02:41:10,032 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 804 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=520, Invalid=3140, Unknown=0, NotChecked=0, Total=3660 [2018-02-04 02:41:10,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2018-02-04 02:41:10,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 330. [2018-02-04 02:41:10,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 330 states. [2018-02-04 02:41:10,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 387 transitions. [2018-02-04 02:41:10,034 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 387 transitions. Word has length 68 [2018-02-04 02:41:10,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:41:10,034 INFO L432 AbstractCegarLoop]: Abstraction has 330 states and 387 transitions. [2018-02-04 02:41:10,034 INFO L433 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-02-04 02:41:10,035 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 387 transitions. [2018-02-04 02:41:10,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-02-04 02:41:10,035 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:41:10,035 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:41:10,035 INFO L371 AbstractCegarLoop]: === Iteration 62 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:41:10,035 INFO L82 PathProgramCache]: Analyzing trace with hash 900627936, now seen corresponding path program 2 times [2018-02-04 02:41:10,035 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:41:10,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:41:10,043 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:41:10,751 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:41:10,751 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:41:10,751 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-02-04 02:41:10,752 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:41:10,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:41:10,752 INFO L182 omatonBuilderFactory]: Interpolants [35021#true, 35022#false, 35023#(= |main_#t~malloc0.offset| 0), 35024#(= main_~a~0.offset 0), 35025#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 35026#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 35027#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~p~0.base |main_#t~malloc5.base|)) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 35028#(and (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 35029#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 35030#(and (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem7.base|) (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~mem7.base|)) (= 0 |main_#t~mem7.offset|)), 35031#(and (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 35032#(and (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 35033#(and (= (select |#valid| |main_#t~malloc12.base|) 1) (= 0 |main_#t~malloc12.offset|) (= 8 (select |#length| |main_#t~malloc12.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~malloc12.base|)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base |main_#t~malloc12.base|)) (not (= main_~p~0.base main_~a~0.base))), 35034#(and (= 8 (select |#length| main_~t~0.base)) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base main_~t~0.base)) (= (select |#valid| main_~t~0.base) 1)), 35035#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 1) (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ 0 4))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| main_~p~0.base))), 35036#(and (= 8 (select |#length| |main_#t~mem14.base|)) (= |main_#t~mem14.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~a~0.base |main_#t~mem14.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem14.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| |main_#t~mem14.base|) 1)), 35037#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base)) (= 8 (select |#length| main_~p~0.base))), 35038#(and (= main_~a~0.offset |main_#t~malloc12.offset|) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~malloc12.base|)) (not (= main_~p~0.base main_~a~0.base)) (= 8 (select |#length| main_~p~0.base))), 35039#(and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~a~0.offset main_~t~0.offset) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (not (= (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4)) main_~t~0.base)) (= 8 (select |#length| main_~p~0.base))), 35040#(and (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 8 (select |#length| main_~p~0.base))), 35041#(and (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem14.base|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~a~0.offset |main_#t~mem14.offset|)), 35042#(and (= 0 main_~a~0.offset) (or (and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)) (and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))))), 35043#(and (= 0 main_~a~0.offset) (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 3))), 35044#(and (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3)) (= main_~p~0.offset 0)), 35045#(and (= main_~p~0.offset 0) (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (and (= |main_#t~mem16| (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3)))), 35046#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))), 35047#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem18.base|) (+ 0 4))) (= 0 |main_#t~mem18.offset|)), 35048#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 35049#(and (= 0 |main_#t~mem21.offset|) (= 8 (select |#length| |main_#t~mem21.base|))), 35050#(and (= main_~p~0.offset 0) (= 8 (select |#length| main_~p~0.base)))] [2018-02-04 02:41:10,752 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:41:10,752 INFO L409 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-02-04 02:41:10,752 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-02-04 02:41:10,752 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=770, Unknown=0, NotChecked=0, Total=870 [2018-02-04 02:41:10,753 INFO L87 Difference]: Start difference. First operand 330 states and 387 transitions. Second operand 30 states. [2018-02-04 02:41:12,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:41:12,382 INFO L93 Difference]: Finished difference Result 386 states and 443 transitions. [2018-02-04 02:41:12,382 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-02-04 02:41:12,382 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 68 [2018-02-04 02:41:12,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:41:12,383 INFO L225 Difference]: With dead ends: 386 [2018-02-04 02:41:12,383 INFO L226 Difference]: Without dead ends: 385 [2018-02-04 02:41:12,383 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 682 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=444, Invalid=2748, Unknown=0, NotChecked=0, Total=3192 [2018-02-04 02:41:12,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2018-02-04 02:41:12,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 325. [2018-02-04 02:41:12,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 325 states. [2018-02-04 02:41:12,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 382 transitions. [2018-02-04 02:41:12,385 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 382 transitions. Word has length 68 [2018-02-04 02:41:12,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:41:12,385 INFO L432 AbstractCegarLoop]: Abstraction has 325 states and 382 transitions. [2018-02-04 02:41:12,385 INFO L433 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-02-04 02:41:12,385 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 382 transitions. [2018-02-04 02:41:12,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-02-04 02:41:12,386 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:41:12,386 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:41:12,386 INFO L371 AbstractCegarLoop]: === Iteration 63 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:41:12,386 INFO L82 PathProgramCache]: Analyzing trace with hash -1525691959, now seen corresponding path program 4 times [2018-02-04 02:41:12,386 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:41:12,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:41:12,395 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:41:13,055 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-02-04 02:41:13,055 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:41:13,055 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-02-04 02:41:13,055 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:41:13,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:41:13,056 INFO L182 omatonBuilderFactory]: Interpolants [35840#(and (or (and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))) (and (= |main_#t~mem16| (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3))) (= main_~p~0.offset 0)), 35841#(and (= main_~p~0.offset 0) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 35842#(and (= 1 (select (select |#memory_int| |main_#t~mem18.base|) |main_#t~mem18.offset|)) (= 0 |main_#t~mem18.offset|)), 35843#(and (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (not (= 1 main_~p~0.offset))), 35844#(and (= 1 |main_#t~mem16|) (not (= 1 main_~p~0.offset))), 35816#true, 35817#false, 35818#(= |main_#t~malloc0.offset| 0), 35819#(= main_~a~0.offset 0), 35820#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 35821#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 35822#(and (not (= main_~p~0.base |main_#t~malloc5.base|)) (= |main_#t~malloc5.offset| 0) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 1 (select |#valid| |main_#t~malloc5.base|)) (= main_~p~0.base main_~a~0.base)), 35823#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= 1 (select |#valid| main_~t~0.base)) (= main_~t~0.offset 0)), 35824#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 35825#(and (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem7.base|) (= (select |#valid| main_~a~0.base) 1) (= (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)) |main_#t~mem7.offset|) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~mem7.base|)) (= 1 (select |#valid| |main_#t~mem7.base|))), 35826#(and (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 35827#(and (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= main_~a~0.offset 0) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 35828#(and (not (= main_~p~0.base |main_#t~malloc5.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= main_~a~0.offset 0) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base |main_#t~malloc5.base|))), 35829#(and (= main_~p~0.offset (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base main_~t~0.base))), 35830#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 35831#(and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~mem7.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem7.base|))), 35832#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 1 (select (select (store |#memory_int| main_~p~0.base (store (select |#memory_int| main_~p~0.base) main_~p~0.offset 2)) (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~a~0.base))), 35833#(and (= main_~a~0.offset |main_#t~malloc12.offset|) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~malloc12.base|))), 35834#(and (not (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~a~0.offset main_~t~0.offset) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (not (= (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4)) main_~t~0.base)) (= 1 (select (select |#memory_int| (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))))), 35835#(and (= 0 main_~a~0.offset) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 35836#(and (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem14.base|)) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset |main_#t~mem14.offset|)), 35837#(and (= 0 main_~a~0.offset) (or (and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (= 1 (select (select (store |#memory_int| main_~p~0.base (store (select |#memory_int| main_~p~0.base) main_~p~0.offset 3)) (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))))))), 35838#(and (or (and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 3)) (= 0 main_~a~0.offset)), 35839#(and (or (and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3)) (= main_~p~0.offset 0))] [2018-02-04 02:41:13,056 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-02-04 02:41:13,056 INFO L409 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-02-04 02:41:13,056 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-02-04 02:41:13,056 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=708, Unknown=0, NotChecked=0, Total=812 [2018-02-04 02:41:13,056 INFO L87 Difference]: Start difference. First operand 325 states and 382 transitions. Second operand 29 states. [2018-02-04 02:41:14,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:41:14,450 INFO L93 Difference]: Finished difference Result 405 states and 465 transitions. [2018-02-04 02:41:14,450 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-02-04 02:41:14,450 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 68 [2018-02-04 02:41:14,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:41:14,451 INFO L225 Difference]: With dead ends: 405 [2018-02-04 02:41:14,451 INFO L226 Difference]: Without dead ends: 405 [2018-02-04 02:41:14,451 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 688 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=495, Invalid=2811, Unknown=0, NotChecked=0, Total=3306 [2018-02-04 02:41:14,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2018-02-04 02:41:14,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 335. [2018-02-04 02:41:14,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 335 states. [2018-02-04 02:41:14,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 392 transitions. [2018-02-04 02:41:14,453 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 392 transitions. Word has length 68 [2018-02-04 02:41:14,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:41:14,453 INFO L432 AbstractCegarLoop]: Abstraction has 335 states and 392 transitions. [2018-02-04 02:41:14,453 INFO L433 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-02-04 02:41:14,453 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 392 transitions. [2018-02-04 02:41:14,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-02-04 02:41:14,454 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:41:14,454 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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 02:41:14,454 INFO L371 AbstractCegarLoop]: === Iteration 64 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:41:14,454 INFO L82 PathProgramCache]: Analyzing trace with hash 373738527, now seen corresponding path program 4 times [2018-02-04 02:41:14,454 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:41:14,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:41:14,462 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:41:15,067 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-02-04 02:41:15,067 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:41:15,067 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-02-04 02:41:15,068 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:41:15,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:41:15,068 INFO L182 omatonBuilderFactory]: Interpolants [36643#true, 36644#false, 36645#(= |main_#t~malloc0.offset| 0), 36646#(= main_~a~0.offset 0), 36647#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 36648#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 36649#(and (not (= main_~p~0.base |main_#t~malloc5.base|)) (= |main_#t~malloc5.offset| 0) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| |main_#t~malloc5.base|) 1) (= main_~p~0.base main_~a~0.base)), 36650#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= main_~t~0.offset 0) (= (select |#valid| main_~t~0.base) 1)), 36651#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 1) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 36652#(and (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem7.base|) (= (select |#valid| main_~a~0.base) 1) (= (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)) |main_#t~mem7.offset|) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~mem7.base|)) (= (select |#valid| |main_#t~mem7.base|) 1)), 36653#(and (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 36654#(and (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= main_~a~0.offset 0) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 36655#(and (not (= main_~p~0.base |main_#t~malloc5.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= main_~a~0.offset 0) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base |main_#t~malloc5.base|))), 36656#(and (= main_~p~0.offset (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base main_~t~0.base))), 36657#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 36658#(and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~mem7.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem7.base|))), 36659#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~a~0.base)) (= 1 (select (select (store |#memory_int| main_~p~0.base (store (select |#memory_int| main_~p~0.base) main_~p~0.offset 1)) (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))))), 36660#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~malloc5.base|)) (or (= main_~a~0.offset |main_#t~malloc5.offset|) (not (= main_~a~0.base |main_#t~malloc5.base|))) (not (= main_~p~0.base main_~a~0.base))), 36661#(and (not (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4)))) (or (= main_~a~0.offset main_~t~0.offset) (not (= main_~a~0.base main_~t~0.base))) (= 0 main_~a~0.offset) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (not (= (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4)) main_~t~0.base)) (= 1 (select (select |#memory_int| (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))))), 36662#(and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (or (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~a~0.offset (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))))), 36663#(and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (or (= main_~a~0.offset |main_#t~mem7.offset|) (not (= main_~a~0.base |main_#t~mem7.base|))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem7.base|))), 36664#(and (= 0 main_~a~0.offset) (or (and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)) (and (not (= main_~p~0.base main_~a~0.base)) (= 1 (select (select (store |#memory_int| main_~p~0.base (store (select |#memory_int| main_~p~0.base) main_~p~0.offset 3)) (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))))))), 36665#(and (= 0 main_~a~0.offset) (or (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 3))), 36666#(and (or (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3)) (= main_~p~0.offset 0)), 36667#(and (or (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))) (and (= |main_#t~mem16| (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3))) (= main_~p~0.offset 0)), 36668#(and (= main_~p~0.offset 0) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))))), 36669#(= 1 (select (select |#memory_int| |main_#t~mem18.base|) |main_#t~mem18.offset|)), 36670#(= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)), 36671#(= 1 |main_#t~mem16|)] [2018-02-04 02:41:15,068 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-02-04 02:41:15,068 INFO L409 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-02-04 02:41:15,069 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-02-04 02:41:15,069 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=706, Unknown=0, NotChecked=0, Total=812 [2018-02-04 02:41:15,069 INFO L87 Difference]: Start difference. First operand 335 states and 392 transitions. Second operand 29 states. [2018-02-04 02:41:16,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:41:16,628 INFO L93 Difference]: Finished difference Result 405 states and 464 transitions. [2018-02-04 02:41:16,628 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-02-04 02:41:16,628 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 68 [2018-02-04 02:41:16,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:41:16,629 INFO L225 Difference]: With dead ends: 405 [2018-02-04 02:41:16,629 INFO L226 Difference]: Without dead ends: 405 [2018-02-04 02:41:16,629 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 801 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=546, Invalid=2994, Unknown=0, NotChecked=0, Total=3540 [2018-02-04 02:41:16,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2018-02-04 02:41:16,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 321. [2018-02-04 02:41:16,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 321 states. [2018-02-04 02:41:16,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 377 transitions. [2018-02-04 02:41:16,632 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 377 transitions. Word has length 68 [2018-02-04 02:41:16,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:41:16,632 INFO L432 AbstractCegarLoop]: Abstraction has 321 states and 377 transitions. [2018-02-04 02:41:16,632 INFO L433 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-02-04 02:41:16,632 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 377 transitions. [2018-02-04 02:41:16,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-02-04 02:41:16,632 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:41:16,632 INFO L351 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:41:16,632 INFO L371 AbstractCegarLoop]: === Iteration 65 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:41:16,633 INFO L82 PathProgramCache]: Analyzing trace with hash 450654737, now seen corresponding path program 7 times [2018-02-04 02:41:16,633 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:41:16,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:41:16,641 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:41:17,508 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 10 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:41:17,508 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:41:17,508 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-02-04 02:41:17,508 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:41:17,509 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 02:41:17,509 INFO L182 omatonBuilderFactory]: Interpolants [37460#true, 37461#false, 37462#(= |main_#t~malloc0.offset| 0), 37463#(= main_~a~0.offset 0), 37464#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 37465#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 37466#(and (not (= main_~p~0.base |main_#t~malloc5.base|)) (= |main_#t~malloc5.offset| 0) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| |main_#t~malloc5.base|) 1) (= main_~p~0.base main_~a~0.base)), 37467#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= main_~t~0.offset 0) (= (select |#valid| main_~t~0.base) 1)), 37468#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 1) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 37469#(and (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem7.base|) (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~mem7.base|)) (= (select |#valid| |main_#t~mem7.base|) 1) (= 0 |main_#t~mem7.offset|)), 37470#(or (and (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))) (<= (+ main_~p~0.offset 1) 0)), 37471#(and (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 37472#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~p~0.base |main_#t~malloc5.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| |main_#t~malloc5.base|) 1) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base |main_#t~malloc5.base|))), 37473#(and (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base main_~t~0.base)) (= (select |#valid| main_~t~0.base) 1)), 37474#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 1) (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ 0 4))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 37475#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem7.base|) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~mem7.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| |main_#t~mem7.base|) 1) (= 0 |main_#t~mem7.offset|) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem7.base|))), 37476#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 37477#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base)) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 2)), 37478#(and (= main_~a~0.offset |main_#t~malloc12.offset|) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base |main_#t~malloc12.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~malloc12.base|)) (not (= main_~p~0.base main_~a~0.base)) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 2)), 37479#(and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~a~0.offset main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (not (= (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4)) main_~t~0.base)) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 2)), 37480#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 2)), 37481#(and (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem14.base|)) (= 0 main_~a~0.offset) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) 0) 2) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~a~0.offset |main_#t~mem14.offset|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem14.base|))), 37482#(and (or (and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)) (and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= (select (select (store |#memory_int| main_~p~0.base (store (select |#memory_int| main_~p~0.base) main_~p~0.offset 3)) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) 0) 2) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)))) (= 0 main_~a~0.offset)), 37483#(and (= 0 main_~a~0.offset) (or (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 3) (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) 0) 2) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))))), 37484#(and (or (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) 0) 2) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))))) (= main_~p~0.offset 0)), 37485#(and (= main_~p~0.offset 0) (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) 0) 2) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (and (= |main_#t~mem16| (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3)))), 37486#(and (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) 0) 2) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))), 37487#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem18.base|) (+ 0 4))) (= 0 |main_#t~mem18.offset|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) (+ 0 4))) 0) 2)), 37488#(and (= main_~p~0.offset 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 0) 2) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 37489#(and (= (select (select |#memory_int| |main_#t~mem18.base|) 0) 2) (= 0 |main_#t~mem18.offset|)), 37490#(and (= main_~p~0.offset 0) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 2)), 37491#(and (= |main_#t~mem16| 2) (= main_~p~0.offset 0))] [2018-02-04 02:41:17,509 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 10 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:41:17,509 INFO L409 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-02-04 02:41:17,509 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-02-04 02:41:17,509 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=888, Unknown=0, NotChecked=0, Total=992 [2018-02-04 02:41:17,509 INFO L87 Difference]: Start difference. First operand 321 states and 377 transitions. Second operand 32 states. [2018-02-04 02:41:19,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:41:19,323 INFO L93 Difference]: Finished difference Result 389 states and 445 transitions. [2018-02-04 02:41:19,323 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-02-04 02:41:19,323 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 70 [2018-02-04 02:41:19,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:41:19,324 INFO L225 Difference]: With dead ends: 389 [2018-02-04 02:41:19,324 INFO L226 Difference]: Without dead ends: 389 [2018-02-04 02:41:19,324 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 898 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=494, Invalid=3538, Unknown=0, NotChecked=0, Total=4032 [2018-02-04 02:41:19,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2018-02-04 02:41:19,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 336. [2018-02-04 02:41:19,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 336 states. [2018-02-04 02:41:19,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 392 transitions. [2018-02-04 02:41:19,327 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 392 transitions. Word has length 70 [2018-02-04 02:41:19,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:41:19,327 INFO L432 AbstractCegarLoop]: Abstraction has 336 states and 392 transitions. [2018-02-04 02:41:19,327 INFO L433 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-02-04 02:41:19,327 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 392 transitions. [2018-02-04 02:41:19,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-02-04 02:41:19,327 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:41:19,327 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:41:19,327 INFO L371 AbstractCegarLoop]: === Iteration 66 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:41:19,327 INFO L82 PathProgramCache]: Analyzing trace with hash 442250983, now seen corresponding path program 8 times [2018-02-04 02:41:19,328 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:41:19,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:41:19,334 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:41:20,497 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:41:20,498 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:41:20,498 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2018-02-04 02:41:20,498 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:41:20,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:41:20,498 INFO L182 omatonBuilderFactory]: Interpolants [38281#true, 38282#false, 38283#(= |main_#t~malloc0.offset| 0), 38284#(= main_~a~0.offset 0), 38285#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 38286#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 38287#(and (not (= main_~p~0.base |main_#t~malloc5.base|)) (= |main_#t~malloc5.offset| 0) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| |main_#t~malloc5.base|) 1) (= main_~p~0.base main_~a~0.base)), 38288#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= main_~t~0.offset 0) (= (select |#valid| main_~t~0.base) 1)), 38289#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 1) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 38290#(and (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem7.base|) (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~mem7.base|)) (= (select |#valid| |main_#t~mem7.base|) 1) (= 0 |main_#t~mem7.offset|)), 38291#(and (= (select |#valid| main_~a~0.base) 1) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~a~0.base)) (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1)) (<= (+ main_~p~0.offset 1) 0))), 38292#(and (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 38293#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~p~0.base |main_#t~malloc5.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| |main_#t~malloc5.base|) 1) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base |main_#t~malloc5.base|))), 38294#(and (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base main_~t~0.base)) (= (select |#valid| main_~t~0.base) 1)), 38295#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 1) (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 38296#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem7.base|) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~mem7.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| |main_#t~mem7.base|) 1) (= 0 |main_#t~mem7.offset|) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem7.base|))), 38297#(and (= main_~a~0.offset 0) (or (and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1)) (<= (+ main_~p~0.offset 1) 0)) (not (= main_~p~0.base main_~a~0.base))), 38298#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 38299#(and (not (= main_~p~0.base |main_#t~malloc5.base|)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~a~0.offset |main_#t~malloc5.offset|) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~malloc5.base|)) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 1 (select |#valid| |main_#t~malloc5.base|)) (not (= main_~p~0.base main_~a~0.base))), 38300#(and (= 0 main_~a~0.offset) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~a~0.offset main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (not (= (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4)) main_~t~0.base)) (= 1 (select |#valid| main_~t~0.base))), 38301#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))), 38302#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem7.base|)) (= 0 main_~a~0.offset) (= main_~a~0.offset |main_#t~mem7.offset|) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem7.base|))), 38303#(or (and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)) (and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)))), 38304#(or (and (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 3)), 38305#(or (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))))), 38306#(or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (and (= |main_#t~mem16| (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3))), 38307#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))), 38308#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem18.base|) (+ 0 4))) (= 0 |main_#t~mem18.offset|)), 38309#(or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))) (<= (+ main_~p~0.offset 1) 0)), 38310#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 38311#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) (+ 0 4)))) (= 0 |main_#t~mem18.offset|)), 38312#(or (<= (+ main_~p~0.offset 1) 0) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0))), 38313#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0)), 38314#(= 1 (select |#valid| |main_#t~mem18.base|)), 38315#(= 1 (select |#valid| main_~p~0.base))] [2018-02-04 02:41:20,498 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:41:20,499 INFO L409 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-02-04 02:41:20,499 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-02-04 02:41:20,499 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=1077, Unknown=0, NotChecked=0, Total=1190 [2018-02-04 02:41:20,499 INFO L87 Difference]: Start difference. First operand 336 states and 392 transitions. Second operand 35 states. [2018-02-04 02:41:22,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:41:22,659 INFO L93 Difference]: Finished difference Result 398 states and 455 transitions. [2018-02-04 02:41:22,659 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-02-04 02:41:22,659 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 70 [2018-02-04 02:41:22,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:41:22,660 INFO L225 Difference]: With dead ends: 398 [2018-02-04 02:41:22,660 INFO L226 Difference]: Without dead ends: 398 [2018-02-04 02:41:22,660 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1134 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=598, Invalid=4232, Unknown=0, NotChecked=0, Total=4830 [2018-02-04 02:41:22,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2018-02-04 02:41:22,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 339. [2018-02-04 02:41:22,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 339 states. [2018-02-04 02:41:22,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 396 transitions. [2018-02-04 02:41:22,662 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 396 transitions. Word has length 70 [2018-02-04 02:41:22,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:41:22,662 INFO L432 AbstractCegarLoop]: Abstraction has 339 states and 396 transitions. [2018-02-04 02:41:22,662 INFO L433 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-02-04 02:41:22,663 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 396 transitions. [2018-02-04 02:41:22,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-02-04 02:41:22,663 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:41:22,663 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:41:22,663 INFO L371 AbstractCegarLoop]: === Iteration 67 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:41:22,663 INFO L82 PathProgramCache]: Analyzing trace with hash 442250984, now seen corresponding path program 6 times [2018-02-04 02:41:22,663 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:41:22,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:41:22,673 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:41:23,886 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:41:23,886 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:41:23,886 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2018-02-04 02:41:23,886 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:41:23,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:41:23,887 INFO L182 omatonBuilderFactory]: Interpolants [39123#true, 39124#false, 39125#(= |main_#t~malloc0.offset| 0), 39126#(= main_~a~0.offset 0), 39127#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 39128#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 39129#(and (not (= main_~p~0.base |main_#t~malloc5.base|)) (= |main_#t~malloc5.offset| 0) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 1 (select |#valid| |main_#t~malloc5.base|)) (= main_~p~0.base main_~a~0.base)), 39130#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= 1 (select |#valid| main_~t~0.base)) (= main_~t~0.offset 0)), 39131#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 39132#(and (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem7.base|) (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~mem7.base|)) (= 0 |main_#t~mem7.offset|) (= 1 (select |#valid| |main_#t~mem7.base|))), 39133#(and (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (or (<= (+ main_~p~0.offset 1) 0) (and (= main_~p~0.offset 0) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))))) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~a~0.base))), 39134#(and (= (select |#valid| main_~a~0.base) 1) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 39135#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~p~0.base |main_#t~malloc5.base|)) (= 8 (select |#length| |main_#t~malloc5.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| |main_#t~malloc5.base|) 1) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base |main_#t~malloc5.base|))), 39136#(and (= 8 (select |#length| main_~t~0.base)) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base main_~t~0.base)) (= (select |#valid| main_~t~0.base) 1)), 39137#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 1) (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| main_~p~0.base))), 39138#(and (= 8 (select |#length| |main_#t~mem7.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~mem7.base|)) (= (select |#valid| |main_#t~mem7.base|) 1) (= 0 |main_#t~mem7.offset|) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem7.base|))), 39139#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset 0) (or (<= (+ main_~p~0.offset 1) 0) (= main_~p~0.offset 0)) (= (select |#valid| main_~p~0.base) 1) (= 8 (select |#length| main_~p~0.base)) (not (= main_~p~0.base main_~a~0.base))), 39140#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base)) (= 8 (select |#length| main_~p~0.base))), 39141#(and (not (= main_~p~0.base |main_#t~malloc5.base|)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 8 (select |#length| |main_#t~malloc5.base|)) (= main_~a~0.offset |main_#t~malloc5.offset|) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~malloc5.base|)) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~a~0.base)) (= 8 (select |#length| main_~p~0.base))), 39142#(and (= 8 (select |#length| main_~t~0.base)) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~a~0.offset main_~t~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (not (= (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4)) main_~t~0.base)) (= 8 (select |#length| main_~p~0.base))), 39143#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ 0 4))) (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ 0 4)))) (= 8 (select |#length| main_~p~0.base))), 39144#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem7.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= main_~a~0.offset |main_#t~mem7.offset|) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem7.base|))), 39145#(or (and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4)))) (not (= main_~p~0.base main_~a~0.base))) (and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base))), 39146#(or (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 3) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4)))))), 39147#(or (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4))))), 39148#(or (and (= |main_#t~mem16| (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3)) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4))))), 39149#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4)))), 39150#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) (+ 0 4))) (+ 0 4))) (= 0 |main_#t~mem18.offset|) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) (+ 0 4))) (+ 0 4))))), 39151#(or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (<= (+ main_~p~0.offset 1) 0)), 39152#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))), 39153#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem18.base|) (+ 0 4))) (= 8 (select |#length| |main_#t~mem18.base|))), 39154#(and (or (<= (+ main_~p~0.offset 1) 0) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))) (<= 1 main_~p~0.offset)) (= 8 (select |#length| main_~p~0.base))), 39155#(and (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))) (<= 1 main_~p~0.offset)) (= 8 (select |#length| main_~p~0.base))), 39156#(and (= 8 (select |#length| |main_#t~mem18.base|)) (= 0 |main_#t~mem18.offset|)), 39157#(and (= main_~p~0.offset 0) (= 8 (select |#length| main_~p~0.base)))] [2018-02-04 02:41:23,887 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:41:23,887 INFO L409 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-02-04 02:41:23,887 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-02-04 02:41:23,887 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=1082, Unknown=0, NotChecked=0, Total=1190 [2018-02-04 02:41:23,887 INFO L87 Difference]: Start difference. First operand 339 states and 396 transitions. Second operand 35 states. [2018-02-04 02:41:26,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:41:26,297 INFO L93 Difference]: Finished difference Result 422 states and 482 transitions. [2018-02-04 02:41:26,319 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-02-04 02:41:26,319 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 70 [2018-02-04 02:41:26,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:41:26,320 INFO L225 Difference]: With dead ends: 422 [2018-02-04 02:41:26,320 INFO L226 Difference]: Without dead ends: 422 [2018-02-04 02:41:26,320 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1057 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=515, Invalid=4041, Unknown=0, NotChecked=0, Total=4556 [2018-02-04 02:41:26,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2018-02-04 02:41:26,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 345. [2018-02-04 02:41:26,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 345 states. [2018-02-04 02:41:26,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 403 transitions. [2018-02-04 02:41:26,322 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 403 transitions. Word has length 70 [2018-02-04 02:41:26,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:41:26,322 INFO L432 AbstractCegarLoop]: Abstraction has 345 states and 403 transitions. [2018-02-04 02:41:26,323 INFO L433 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-02-04 02:41:26,323 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 403 transitions. [2018-02-04 02:41:26,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-02-04 02:41:26,323 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:41:26,323 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2018-02-04 02:41:26,323 INFO L371 AbstractCegarLoop]: === Iteration 68 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:41:26,324 INFO L82 PathProgramCache]: Analyzing trace with hash -1746092451, now seen corresponding path program 8 times [2018-02-04 02:41:26,324 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:41:26,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:41:26,339 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:41:26,915 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:41:26,915 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:41:26,915 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-02-04 02:41:26,915 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:41:26,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:41:26,915 INFO L182 omatonBuilderFactory]: Interpolants [40000#(and (= (select |#valid| main_~a~0.base) 1) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~mem7.base|))), 40001#(and (= (select |#valid| main_~a~0.base) 1) (= main_~a~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 40002#(and (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~malloc12.base|)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 40003#(and (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~a~0.base main_~t~0.base))), 40004#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~a~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1)), 40005#(and (not (= main_~a~0.base |main_#t~mem14.base|)) (= main_~a~0.offset 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1)), 40006#(and (= main_~a~0.offset 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (not (= main_~p~0.base main_~a~0.base))), 40007#(and (= main_~a~0.offset |main_#t~malloc12.offset|) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~a~0.base))), 40008#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset main_~t~0.offset) (= main_~a~0.offset 0)), 40009#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset 0) (= main_~a~0.offset (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 40010#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset 0) (= main_~a~0.offset |main_#t~mem14.offset|)), 40011#(or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~a~0.base))) (and (= main_~a~0.offset 0) (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base))), 40012#(or (and (= main_~a~0.offset 0) (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 2)) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~a~0.base)))), 40013#(and (= 0 main_~a~0.offset) (or (and (= main_~a~0.offset |main_#t~malloc12.offset|) (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 2)) (and (= main_~a~0.offset |main_#t~malloc12.offset|) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= |main_#t~malloc12.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= main_~p~0.base main_~a~0.base))))), 40014#(and (= 0 main_~a~0.offset) (= main_~a~0.offset main_~t~0.offset) (or (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4)))) (= main_~t~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))))), 40015#(and (= 0 main_~a~0.offset) (= main_~a~0.offset (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (or (= (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)) (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))))), 40016#(and (= 0 main_~a~0.offset) (or (and (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 2) (= main_~a~0.offset |main_#t~mem14.offset|)) (and (or (= |main_#t~mem14.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))))) (= main_~a~0.offset |main_#t~mem14.offset|)))), 40017#(and (= 0 main_~a~0.offset) (or (and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)) (and (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= main_~p~0.base main_~a~0.base))) (= (select (select (store |#memory_int| main_~p~0.base (store (select |#memory_int| main_~p~0.base) main_~p~0.offset 3)) main_~a~0.base) main_~a~0.offset) 2))), 40018#(and (or (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 2) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 3)) (= 0 main_~a~0.offset)), 40019#(and (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 2)) (= main_~p~0.offset 0)), 40020#(and (or (= |main_#t~mem16| 2) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= |main_#t~mem16| 3)) (= main_~p~0.offset 0)), 40021#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0)), 40022#(= 1 (select |#valid| |main_#t~mem18.base|)), 40023#(= 1 (select |#valid| main_~p~0.base)), 39991#true, 39992#false, 39993#(= |main_#t~malloc0.offset| 0), 39994#(= main_~a~0.offset 0), 39995#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 39996#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 39997#(and (not (= main_~p~0.base |main_#t~malloc5.base|)) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 39998#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 39999#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base))] [2018-02-04 02:41:26,915 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:41:26,915 INFO L409 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-02-04 02:41:26,916 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-02-04 02:41:26,916 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=926, Unknown=0, NotChecked=0, Total=1056 [2018-02-04 02:41:26,916 INFO L87 Difference]: Start difference. First operand 345 states and 403 transitions. Second operand 33 states. [2018-02-04 02:41:28,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:41:28,851 INFO L93 Difference]: Finished difference Result 434 states and 507 transitions. [2018-02-04 02:41:28,851 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2018-02-04 02:41:28,851 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 71 [2018-02-04 02:41:28,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:41:28,852 INFO L225 Difference]: With dead ends: 434 [2018-02-04 02:41:28,852 INFO L226 Difference]: Without dead ends: 434 [2018-02-04 02:41:28,852 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1339 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=1051, Invalid=4801, Unknown=0, NotChecked=0, Total=5852 [2018-02-04 02:41:28,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2018-02-04 02:41:28,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 365. [2018-02-04 02:41:28,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 365 states. [2018-02-04 02:41:28,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 426 transitions. [2018-02-04 02:41:28,855 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 426 transitions. Word has length 71 [2018-02-04 02:41:28,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:41:28,855 INFO L432 AbstractCegarLoop]: Abstraction has 365 states and 426 transitions. [2018-02-04 02:41:28,855 INFO L433 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-02-04 02:41:28,855 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 426 transitions. [2018-02-04 02:41:28,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-02-04 02:41:28,855 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:41:28,855 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2018-02-04 02:41:28,855 INFO L371 AbstractCegarLoop]: === Iteration 69 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:41:28,856 INFO L82 PathProgramCache]: Analyzing trace with hash -1746092450, now seen corresponding path program 5 times [2018-02-04 02:41:28,856 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:41:28,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:41:28,866 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:41:29,682 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:41:29,683 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:41:29,683 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-02-04 02:41:29,683 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:41:29,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:41:29,683 INFO L182 omatonBuilderFactory]: Interpolants [40911#true, 40912#false, 40913#(= |main_#t~malloc0.offset| 0), 40914#(= main_~a~0.offset 0), 40915#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 40916#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 40917#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~p~0.base |main_#t~malloc5.base|)) (= 8 (select |#length| |main_#t~malloc5.base|)) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 40918#(and (= 8 (select |#length| main_~t~0.base)) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 40919#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 40920#(and (= (select |#valid| main_~a~0.base) 1) (= 8 (select |#length| |main_#t~mem7.base|)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~mem7.base|))), 40921#(and (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (= 8 (select |#length| main_~p~0.base))), 40922#(and (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base)) (= 8 (select |#length| main_~p~0.base))), 40923#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~malloc12.base|)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (= 8 (select |#length| main_~p~0.base))), 40924#(and (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (= 8 (select |#length| main_~p~0.base)) (not (= main_~a~0.base main_~t~0.base))), 40925#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (= 8 (select |#length| main_~p~0.base))), 40926#(and (not (= main_~a~0.base |main_#t~mem14.base|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1)), 40927#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (not (= main_~p~0.base main_~a~0.base))), 40928#(and (or (and (= main_~a~0.offset |main_#t~malloc12.offset|) (= (select |#valid| |main_#t~malloc12.base|) 1)) (not (= main_~a~0.base |main_#t~malloc12.base|))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~a~0.base))), 40929#(and (= main_~a~0.offset 0) (or (and (= main_~a~0.offset main_~t~0.offset) (= (select |#valid| main_~t~0.base) 1)) (not (= main_~a~0.base main_~t~0.base))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))))), 40930#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (or (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 1) (= main_~a~0.offset (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))))), 40931#(and (or (not (= main_~a~0.base |main_#t~mem14.base|)) (and (= main_~a~0.offset |main_#t~mem14.offset|) (= (select |#valid| |main_#t~mem14.base|) 1))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0)), 40932#(and (= 0 main_~a~0.offset) (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))) (and (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)))), 40933#(and (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))) (and (= main_~p~0.offset main_~a~0.offset) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 2))) (= 0 main_~a~0.offset)), 40934#(and (= 0 main_~a~0.offset) (or (and (= main_~a~0.offset |main_#t~malloc12.offset|) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))) (and (= main_~p~0.offset main_~a~0.offset) (not (= main_~p~0.base |main_#t~malloc12.base|)) (= main_~p~0.base main_~a~0.base) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 2)))), 40935#(and (= 0 main_~a~0.offset) (or (and (= main_~a~0.offset main_~t~0.offset) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))))) (and (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 2)))), 40936#(and (= 0 main_~a~0.offset) (or (and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 2)) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))))), 40937#(and (= 0 main_~a~0.offset) (or (and (not (= main_~a~0.base |main_#t~mem14.base|)) (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 2)) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset |main_#t~mem14.offset|)))), 40938#(and (= 0 main_~a~0.offset) (or (and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))) (= (select (select (store |#memory_int| main_~p~0.base (store (select |#memory_int| main_~p~0.base) main_~p~0.offset 3)) main_~a~0.base) main_~a~0.offset) 2))), 40939#(and (= 0 main_~a~0.offset) (or (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 2) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 3))), 40940#(and (or (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 2)) (= main_~p~0.offset 0)), 40941#(and (= main_~p~0.offset 0) (or (= |main_#t~mem16| 2) (= |main_#t~mem16| 3) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))))), 40942#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 40943#(and (= 8 (select |#length| |main_#t~mem18.base|)) (= 0 |main_#t~mem18.offset|)), 40944#(and (= (select |#length| main_~p~0.base) 8) (= main_~p~0.offset 0))] [2018-02-04 02:41:29,683 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:41:29,684 INFO L409 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-02-04 02:41:29,684 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-02-04 02:41:29,684 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=970, Unknown=0, NotChecked=0, Total=1122 [2018-02-04 02:41:29,684 INFO L87 Difference]: Start difference. First operand 365 states and 426 transitions. Second operand 34 states. [2018-02-04 02:41:31,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:41:31,985 INFO L93 Difference]: Finished difference Result 450 states and 520 transitions. [2018-02-04 02:41:31,986 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-02-04 02:41:31,986 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 71 [2018-02-04 02:41:31,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:41:31,987 INFO L225 Difference]: With dead ends: 450 [2018-02-04 02:41:31,987 INFO L226 Difference]: Without dead ends: 449 [2018-02-04 02:41:31,988 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1028 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=835, Invalid=3857, Unknown=0, NotChecked=0, Total=4692 [2018-02-04 02:41:31,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2018-02-04 02:41:31,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 371. [2018-02-04 02:41:31,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 371 states. [2018-02-04 02:41:31,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 432 transitions. [2018-02-04 02:41:31,990 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 432 transitions. Word has length 71 [2018-02-04 02:41:31,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:41:31,990 INFO L432 AbstractCegarLoop]: Abstraction has 371 states and 432 transitions. [2018-02-04 02:41:31,990 INFO L433 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-02-04 02:41:31,990 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 432 transitions. [2018-02-04 02:41:31,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-02-04 02:41:31,991 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:41:31,991 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:41:31,991 INFO L371 AbstractCegarLoop]: === Iteration 70 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:41:31,991 INFO L82 PathProgramCache]: Analyzing trace with hash 57537075, now seen corresponding path program 9 times [2018-02-04 02:41:31,992 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:41:32,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:41:32,012 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:41:32,631 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:41:32,632 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:41:32,632 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-02-04 02:41:32,632 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:41:32,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:41:32,632 INFO L182 omatonBuilderFactory]: Interpolants [41856#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~a~0.base))), 41857#(and (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= |main_#t~malloc12.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (not (= main_~p~0.base main_~a~0.base)) (or (= main_~a~0.offset |main_#t~malloc12.offset|) (not (= main_~a~0.base |main_#t~malloc12.base|)))), 41858#(and (or (= main_~a~0.offset main_~t~0.offset) (not (= main_~a~0.base main_~t~0.base))) (= 0 main_~a~0.offset) (or (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4)))) (= main_~t~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))))), 41859#(and (= 0 main_~a~0.offset) (or (= (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)) (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))))) (or (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~a~0.offset (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))))), 41860#(and (= 0 main_~a~0.offset) (or (not (= main_~a~0.base |main_#t~mem14.base|)) (= main_~a~0.offset |main_#t~mem14.offset|)) (or (= |main_#t~mem14.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))))), 41861#(and (= 0 main_~a~0.offset) (or (and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)) (and (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= main_~p~0.base main_~a~0.base))))), 41862#(and (= 0 main_~a~0.offset) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 3))), 41863#(and (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3)) (= main_~p~0.offset 0)), 41864#(and (= main_~p~0.offset 0) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= |main_#t~mem16| 3))), 41865#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0)), 41866#(= 1 (select |#valid| |main_#t~mem18.base|)), 41867#(= 1 (select |#valid| main_~p~0.base)), 41836#true, 41837#false, 41838#(= |main_#t~malloc0.offset| 0), 41839#(= main_~a~0.offset 0), 41840#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 41841#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 41842#(and (not (= main_~p~0.base |main_#t~malloc5.base|)) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 41843#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 41844#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 41845#(and (= (select |#valid| main_~a~0.base) 1) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~mem7.base|))), 41846#(and (= (select |#valid| main_~a~0.base) 1) (= main_~a~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 41847#(and (= (select |#valid| main_~a~0.base) 1) (= main_~a~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base |main_#t~malloc5.base|))), 41848#(and (= (select |#valid| main_~a~0.base) 1) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~a~0.base main_~t~0.base))), 41849#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select |#valid| main_~a~0.base) 1) (= main_~a~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1)), 41850#(and (= (select |#valid| main_~a~0.base) 1) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~mem7.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1)), 41851#(and (= (select |#valid| main_~a~0.base) 1) (= main_~a~0.offset 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (not (= main_~p~0.base main_~a~0.base))), 41852#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~malloc12.base|)) (not (= main_~p~0.base main_~a~0.base))), 41853#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset 0) (not (= main_~a~0.base main_~t~0.base))), 41854#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset 0)), 41855#(and (not (= main_~a~0.base |main_#t~mem14.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset 0))] [2018-02-04 02:41:32,632 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:41:32,632 INFO L409 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-02-04 02:41:32,632 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-02-04 02:41:32,632 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=870, Unknown=0, NotChecked=0, Total=992 [2018-02-04 02:41:32,632 INFO L87 Difference]: Start difference. First operand 371 states and 432 transitions. Second operand 32 states. [2018-02-04 02:41:33,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:41:33,714 INFO L93 Difference]: Finished difference Result 478 states and 551 transitions. [2018-02-04 02:41:33,714 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-02-04 02:41:33,715 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 71 [2018-02-04 02:41:33,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:41:33,715 INFO L225 Difference]: With dead ends: 478 [2018-02-04 02:41:33,715 INFO L226 Difference]: Without dead ends: 478 [2018-02-04 02:41:33,716 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 801 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=665, Invalid=3117, Unknown=0, NotChecked=0, Total=3782 [2018-02-04 02:41:33,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2018-02-04 02:41:33,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 396. [2018-02-04 02:41:33,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 396 states. [2018-02-04 02:41:33,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 461 transitions. [2018-02-04 02:41:33,718 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 461 transitions. Word has length 71 [2018-02-04 02:41:33,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:41:33,718 INFO L432 AbstractCegarLoop]: Abstraction has 396 states and 461 transitions. [2018-02-04 02:41:33,718 INFO L433 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-02-04 02:41:33,718 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 461 transitions. [2018-02-04 02:41:33,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-02-04 02:41:33,719 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:41:33,719 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:41:33,719 INFO L371 AbstractCegarLoop]: === Iteration 71 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:41:33,719 INFO L82 PathProgramCache]: Analyzing trace with hash 57537076, now seen corresponding path program 6 times [2018-02-04 02:41:33,719 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:41:33,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:41:33,727 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:41:34,372 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:41:34,372 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:41:34,372 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-02-04 02:41:34,372 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:41:34,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:41:34,372 INFO L182 omatonBuilderFactory]: Interpolants [42816#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (<= 8 (select |#length| main_~p~0.base))), 42817#(and (= (select |#valid| main_~a~0.base) 1) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~mem7.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1)), 42818#(and (= (select |#valid| main_~a~0.base) 1) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (not (= main_~p~0.base main_~a~0.base))), 42819#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~malloc12.base|)) (not (= main_~p~0.base main_~a~0.base))), 42820#(and (<= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base main_~t~0.base))), 42821#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0)), 42822#(and (not (= main_~a~0.base |main_#t~mem14.base|)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0)), 42823#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~a~0.base))), 42824#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (or (= main_~a~0.offset |main_#t~malloc12.offset|) (not (= main_~a~0.base |main_#t~malloc12.base|)))), 42825#(and (or (= main_~a~0.offset main_~t~0.offset) (not (= main_~a~0.base main_~t~0.base))) (= 0 main_~a~0.offset) (<= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4)))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4)))), 42826#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (or (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~a~0.offset (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))))), 42827#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (or (not (= main_~a~0.base |main_#t~mem14.base|)) (= main_~a~0.offset |main_#t~mem14.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))), 42828#(and (or (and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)) (and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)))) (= 0 main_~a~0.offset)), 42829#(and (= 0 main_~a~0.offset) (or (and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 3))), 42830#(and (= main_~p~0.offset 0) (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))))) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3))), 42831#(and (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))))) (= |main_#t~mem16| 3)) (= main_~p~0.offset 0)), 42832#(and (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))))), 42833#(and (<= 8 (select |#length| |main_#t~mem18.base|)) (= 0 |main_#t~mem18.offset|)), 42834#(and (= main_~p~0.offset 0) (<= 8 (select |#length| main_~p~0.base))), 42802#true, 42803#false, 42804#(= |main_#t~malloc0.offset| 0), 42805#(= main_~a~0.offset 0), 42806#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 42807#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 42808#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~p~0.base |main_#t~malloc5.base|)) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 42809#(and (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 42810#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 42811#(and (= (select |#valid| main_~a~0.base) 1) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~mem7.base|))), 42812#(and (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 42813#(and (<= 0 main_~p~0.offset) (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 42814#(and (<= 0 main_~p~0.offset) (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base |main_#t~malloc5.base|))), 42815#(and (<= 0 main_~p~0.offset) (= (select |#valid| main_~a~0.base) 1) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base main_~t~0.base)))] [2018-02-04 02:41:34,373 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:41:34,373 INFO L409 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-02-04 02:41:34,373 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-02-04 02:41:34,373 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=931, Unknown=0, NotChecked=0, Total=1056 [2018-02-04 02:41:34,373 INFO L87 Difference]: Start difference. First operand 396 states and 461 transitions. Second operand 33 states. [2018-02-04 02:41:35,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:41:35,904 INFO L93 Difference]: Finished difference Result 487 states and 566 transitions. [2018-02-04 02:41:35,905 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-02-04 02:41:35,905 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 71 [2018-02-04 02:41:35,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:41:35,906 INFO L225 Difference]: With dead ends: 487 [2018-02-04 02:41:35,906 INFO L226 Difference]: Without dead ends: 486 [2018-02-04 02:41:35,906 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 775 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=540, Invalid=3242, Unknown=0, NotChecked=0, Total=3782 [2018-02-04 02:41:35,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2018-02-04 02:41:35,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 396. [2018-02-04 02:41:35,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 396 states. [2018-02-04 02:41:35,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 461 transitions. [2018-02-04 02:41:35,908 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 461 transitions. Word has length 71 [2018-02-04 02:41:35,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:41:35,908 INFO L432 AbstractCegarLoop]: Abstraction has 396 states and 461 transitions. [2018-02-04 02:41:35,908 INFO L433 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-02-04 02:41:35,909 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 461 transitions. [2018-02-04 02:41:35,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-02-04 02:41:35,909 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:41:35,909 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2018-02-04 02:41:35,909 INFO L371 AbstractCegarLoop]: === Iteration 72 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:41:35,909 INFO L82 PathProgramCache]: Analyzing trace with hash -202979299, now seen corresponding path program 10 times [2018-02-04 02:41:35,909 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:41:35,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:41:35,918 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:41:36,407 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:41:36,407 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:41:36,407 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-02-04 02:41:36,407 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:41:36,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:41:36,407 INFO L182 omatonBuilderFactory]: Interpolants [43776#true, 43777#false, 43778#(= |main_#t~malloc0.offset| 0), 43779#(= main_~a~0.offset 0), 43780#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 43781#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 43782#(and (not (= main_~p~0.base |main_#t~malloc5.base|)) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 43783#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 43784#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 43785#(and (= (select |#valid| main_~a~0.base) 1) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~mem7.base|))), 43786#(and (= (select |#valid| main_~a~0.base) 1) (= main_~a~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 43787#(and (= (select |#valid| main_~a~0.base) 1) (= main_~a~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base |main_#t~malloc5.base|))), 43788#(and (= (select |#valid| main_~a~0.base) 1) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~a~0.base main_~t~0.base))), 43789#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select |#valid| main_~a~0.base) 1) (= main_~a~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1)), 43790#(and (= (select |#valid| main_~a~0.base) 1) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~mem7.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1)), 43791#(and (= (select |#valid| main_~a~0.base) 1) (= main_~a~0.offset 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (not (= main_~p~0.base main_~a~0.base))), 43792#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base |main_#t~malloc5.base|))), 43793#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset 0) (not (= main_~a~0.base main_~t~0.base))), 43794#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset 0)), 43795#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~mem7.base|))), 43796#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~a~0.base))), 43797#(and (= main_~a~0.offset |main_#t~malloc12.offset|) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= |main_#t~malloc12.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (not (= main_~p~0.base main_~a~0.base))), 43798#(and (= 0 main_~a~0.offset) (= main_~a~0.offset main_~t~0.offset) (or (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4)))) (= main_~t~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))))), 43799#(and (= 0 main_~a~0.offset) (= main_~a~0.offset (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (or (= (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)) (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))))), 43800#(and (= 0 main_~a~0.offset) (or (= |main_#t~mem14.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))))) (= main_~a~0.offset |main_#t~mem14.offset|)), 43801#(and (= 0 main_~a~0.offset) (or (and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)) (and (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= main_~p~0.base main_~a~0.base))))), 43802#(and (= 0 main_~a~0.offset) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 3))), 43803#(and (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3)) (= main_~p~0.offset 0)), 43804#(and (= main_~p~0.offset 0) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= |main_#t~mem16| 3))), 43805#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0)), 43806#(= 1 (select |#valid| |main_#t~mem18.base|)), 43807#(= 1 (select |#valid| main_~p~0.base))] [2018-02-04 02:41:36,407 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:41:36,408 INFO L409 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-02-04 02:41:36,408 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-02-04 02:41:36,408 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=876, Unknown=0, NotChecked=0, Total=992 [2018-02-04 02:41:36,408 INFO L87 Difference]: Start difference. First operand 396 states and 461 transitions. Second operand 32 states. [2018-02-04 02:41:38,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:41:38,021 INFO L93 Difference]: Finished difference Result 496 states and 575 transitions. [2018-02-04 02:41:38,022 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-02-04 02:41:38,022 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 71 [2018-02-04 02:41:38,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:41:38,023 INFO L225 Difference]: With dead ends: 496 [2018-02-04 02:41:38,023 INFO L226 Difference]: Without dead ends: 496 [2018-02-04 02:41:38,023 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1112 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=812, Invalid=4158, Unknown=0, NotChecked=0, Total=4970 [2018-02-04 02:41:38,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 496 states. [2018-02-04 02:41:38,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 496 to 391. [2018-02-04 02:41:38,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 391 states. [2018-02-04 02:41:38,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 456 transitions. [2018-02-04 02:41:38,025 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 456 transitions. Word has length 71 [2018-02-04 02:41:38,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:41:38,025 INFO L432 AbstractCegarLoop]: Abstraction has 391 states and 456 transitions. [2018-02-04 02:41:38,026 INFO L433 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-02-04 02:41:38,026 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 456 transitions. [2018-02-04 02:41:38,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-02-04 02:41:38,026 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:41:38,026 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2018-02-04 02:41:38,026 INFO L371 AbstractCegarLoop]: === Iteration 73 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:41:38,026 INFO L82 PathProgramCache]: Analyzing trace with hash -202979298, now seen corresponding path program 7 times [2018-02-04 02:41:38,027 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:41:38,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:41:38,034 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:41:38,693 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:41:38,693 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:41:38,693 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-02-04 02:41:38,693 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:41:38,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:41:38,693 INFO L182 omatonBuilderFactory]: Interpolants [44800#(and (= 0 main_~a~0.offset) (or (and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 3))), 44801#(and (= main_~p~0.offset 0) (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))))) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3))), 44802#(and (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))))) (= |main_#t~mem16| 3)) (= main_~p~0.offset 0)), 44803#(and (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))))), 44804#(and (<= 8 (select |#length| |main_#t~mem18.base|)) (= 0 |main_#t~mem18.offset|)), 44805#(and (= main_~p~0.offset 0) (<= 8 (select |#length| main_~p~0.base))), 44773#true, 44774#false, 44775#(= |main_#t~malloc0.offset| 0), 44776#(= main_~a~0.offset 0), 44777#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 44778#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 44779#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~p~0.base |main_#t~malloc5.base|)) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 44780#(and (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 44781#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 44782#(and (= (select |#valid| main_~a~0.base) 1) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~mem7.base|))), 44783#(and (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 44784#(and (<= 0 main_~p~0.offset) (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 44785#(and (<= 0 main_~p~0.offset) (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base |main_#t~malloc5.base|))), 44786#(and (<= 0 main_~p~0.offset) (= (select |#valid| main_~a~0.base) 1) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base main_~t~0.base))), 44787#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (<= 8 (select |#length| main_~p~0.base))), 44788#(and (= (select |#valid| main_~a~0.base) 1) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~mem7.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1)), 44789#(and (= (select |#valid| main_~a~0.base) 1) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (not (= main_~p~0.base main_~a~0.base))), 44790#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base |main_#t~malloc5.base|))), 44791#(and (<= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base main_~t~0.base))), 44792#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0)), 44793#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~mem7.base|))), 44794#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~a~0.base))), 44795#(and (= main_~a~0.offset |main_#t~malloc12.offset|) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 44796#(and (= 0 main_~a~0.offset) (<= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset main_~t~0.offset) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4)))), 44797#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 44798#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset |main_#t~mem14.offset|)), 44799#(and (or (and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)) (and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)))) (= 0 main_~a~0.offset))] [2018-02-04 02:41:38,694 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:41:38,694 INFO L409 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-02-04 02:41:38,694 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-02-04 02:41:38,694 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=935, Unknown=0, NotChecked=0, Total=1056 [2018-02-04 02:41:38,694 INFO L87 Difference]: Start difference. First operand 391 states and 456 transitions. Second operand 33 states. [2018-02-04 02:41:40,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:41:40,210 INFO L93 Difference]: Finished difference Result 494 states and 569 transitions. [2018-02-04 02:41:40,210 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-02-04 02:41:40,210 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 71 [2018-02-04 02:41:40,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:41:40,211 INFO L225 Difference]: With dead ends: 494 [2018-02-04 02:41:40,211 INFO L226 Difference]: Without dead ends: 493 [2018-02-04 02:41:40,212 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 909 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=606, Invalid=3684, Unknown=0, NotChecked=0, Total=4290 [2018-02-04 02:41:40,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2018-02-04 02:41:40,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 391. [2018-02-04 02:41:40,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 391 states. [2018-02-04 02:41:40,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 456 transitions. [2018-02-04 02:41:40,214 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 456 transitions. Word has length 71 [2018-02-04 02:41:40,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:41:40,214 INFO L432 AbstractCegarLoop]: Abstraction has 391 states and 456 transitions. [2018-02-04 02:41:40,214 INFO L433 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-02-04 02:41:40,214 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 456 transitions. [2018-02-04 02:41:40,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-02-04 02:41:40,215 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:41:40,215 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:41:40,215 INFO L371 AbstractCegarLoop]: === Iteration 74 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:41:40,215 INFO L82 PathProgramCache]: Analyzing trace with hash 881743670, now seen corresponding path program 8 times [2018-02-04 02:41:40,215 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:41:40,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:41:40,225 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:41:41,126 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:41:41,126 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:41:41,126 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-02-04 02:41:41,126 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:41:41,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:41:41,127 INFO L182 omatonBuilderFactory]: Interpolants [45760#(= main_~a~0.offset 0), 45761#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 45762#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 45763#(and (= 0 |main_#t~malloc12.offset|) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base |main_#t~malloc12.base|)) (= main_~p~0.base main_~a~0.base)), 45764#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= main_~t~0.offset 0)), 45765#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base main_~a~0.base)), 45766#(and (= (select |#valid| main_~a~0.base) 1) (not (= main_~a~0.base |main_#t~mem14.base|)) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem14.base|) (= 0 |main_#t~mem14.offset|) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0)), 45767#(and (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 45768#(and (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 45769#(and (= (select |#valid| |main_#t~malloc12.base|) 1) (= 0 |main_#t~malloc12.offset|) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~malloc12.base|)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base |main_#t~malloc12.base|)) (not (= main_~p~0.base main_~a~0.base))), 45770#(and (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base main_~t~0.base)) (= (select |#valid| main_~t~0.base) 1)), 45771#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 1) (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| main_~p~0.base))), 45772#(and (not (= main_~a~0.base |main_#t~mem14.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem14.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem14.base|) (= 0 |main_#t~mem14.offset|) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| |main_#t~mem14.base|) 1)), 45773#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (or (and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~p~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1)) (<= (+ main_~p~0.offset 1) 0)) (not (= main_~p~0.base main_~a~0.base))), 45774#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)) 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 45775#(and (= main_~a~0.offset |main_#t~malloc12.offset|) (= 1 (select |#valid| |main_#t~malloc12.base|)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base |main_#t~malloc12.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~malloc12.base|)) (not (= main_~p~0.base main_~a~0.base))), 45776#(and (= 0 main_~a~0.offset) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~a~0.offset main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (not (= (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4)) main_~t~0.base)) (= 1 (select |#valid| main_~t~0.base))), 45777#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))), 45778#(and (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem14.base|)) (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~a~0.offset |main_#t~mem14.offset|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem14.base|))), 45779#(and (= 0 main_~a~0.offset) (or (and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))) (and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)))), 45780#(and (or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 3)) (= 0 main_~a~0.offset)), 45781#(and (or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3)) (= main_~p~0.offset 0)), 45782#(and (or (and (= |main_#t~mem19| (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3)) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))))) (= main_~p~0.offset 0)), 45783#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))), 45784#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) (+ 0 4))) (+ 0 4)))) (= 0 |main_#t~mem21.offset|) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem21.base|) (+ 0 4)))), 45785#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 45786#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) (+ 0 4)))) (= 0 |main_#t~mem21.offset|)), 45787#(or (<= (+ main_~p~0.offset 1) 0) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0))), 45788#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0)), 45789#(= 1 (select |#valid| |main_#t~mem21.base|)), 45790#(= 1 (select |#valid| main_~p~0.base)), 45757#true, 45758#false, 45759#(= |main_#t~malloc0.offset| 0)] [2018-02-04 02:41:41,127 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:41:41,127 INFO L409 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-02-04 02:41:41,127 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-02-04 02:41:41,127 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=1012, Unknown=0, NotChecked=0, Total=1122 [2018-02-04 02:41:41,127 INFO L87 Difference]: Start difference. First operand 391 states and 456 transitions. Second operand 34 states. [2018-02-04 02:41:42,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:41:42,914 INFO L93 Difference]: Finished difference Result 437 states and 502 transitions. [2018-02-04 02:41:42,914 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-02-04 02:41:42,914 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 73 [2018-02-04 02:41:42,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:41:42,915 INFO L225 Difference]: With dead ends: 437 [2018-02-04 02:41:42,915 INFO L226 Difference]: Without dead ends: 437 [2018-02-04 02:41:42,915 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1089 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=585, Invalid=4107, Unknown=0, NotChecked=0, Total=4692 [2018-02-04 02:41:42,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2018-02-04 02:41:42,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 401. [2018-02-04 02:41:42,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 401 states. [2018-02-04 02:41:42,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 466 transitions. [2018-02-04 02:41:42,918 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 466 transitions. Word has length 73 [2018-02-04 02:41:42,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:41:42,918 INFO L432 AbstractCegarLoop]: Abstraction has 401 states and 466 transitions. [2018-02-04 02:41:42,918 INFO L433 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-02-04 02:41:42,918 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 466 transitions. [2018-02-04 02:41:42,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-02-04 02:41:42,918 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:41:42,918 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:41:42,918 INFO L371 AbstractCegarLoop]: === Iteration 75 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:41:42,918 INFO L82 PathProgramCache]: Analyzing trace with hash 881743671, now seen corresponding path program 6 times [2018-02-04 02:41:42,919 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:41:42,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:41:42,929 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:41:44,033 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:41:44,034 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:41:44,034 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-02-04 02:41:44,034 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:41:44,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:41:44,034 INFO L182 omatonBuilderFactory]: Interpolants [46720#(and (= 0 main_~a~0.offset) (or (and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4)))) (not (= main_~p~0.base main_~a~0.base))) (and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)))), 46721#(and (= 0 main_~a~0.offset) (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))))) (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 3))), 46722#(and (= main_~p~0.offset 0) (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3))), 46723#(and (= main_~p~0.offset 0) (or (and (= |main_#t~mem19| (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3)) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))))), 46724#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))), 46725#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) (+ 0 4))) (+ 0 4))) (= 0 |main_#t~mem21.offset|) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem21.base|) (+ 0 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) (+ 0 4))) (+ 0 4))))), 46726#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))), 46727#(and (= 0 |main_#t~mem21.offset|) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem21.base|) (+ 0 4)))), 46728#(or (<= (+ main_~p~0.offset 1) 0) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))))), 46729#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 46730#(and (= 0 |main_#t~mem21.offset|) (= 8 (select |#length| |main_#t~mem21.base|))), 46731#(and (= main_~p~0.offset 0) (= 8 (select |#length| main_~p~0.base))), 46699#true, 46700#false, 46701#(= |main_#t~malloc0.offset| 0), 46702#(= main_~a~0.offset 0), 46703#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 46704#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 46705#(and (= 0 |main_#t~malloc12.offset|) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base |main_#t~malloc12.base|)) (= main_~p~0.base main_~a~0.base)), 46706#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= main_~t~0.offset 0)), 46707#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base main_~a~0.base)), 46708#(and (= (select |#valid| main_~a~0.base) 1) (not (= main_~a~0.base |main_#t~mem14.base|)) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem14.base|) (= 0 |main_#t~mem14.offset|) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0)), 46709#(and (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 46710#(and (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 46711#(and (= (select |#valid| |main_#t~malloc12.base|) 1) (= 0 |main_#t~malloc12.offset|) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~malloc12.base|)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base |main_#t~malloc12.base|)) (not (= main_~p~0.base main_~a~0.base))), 46712#(and (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base main_~t~0.base)) (= (select |#valid| main_~t~0.base) 1)), 46713#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 1) (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| main_~p~0.base))), 46714#(and (not (= main_~a~0.base |main_#t~mem14.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem14.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem14.base|) (= 0 |main_#t~mem14.offset|) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| |main_#t~mem14.base|) 1)), 46715#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 46716#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 |main_#t~malloc12.offset|) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 8 (select |#length| |main_#t~malloc12.base|)) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base |main_#t~malloc12.base|)) (not (= main_~p~0.base main_~a~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~malloc12.base|))), 46717#(and (= 8 (select |#length| main_~t~0.base)) (= 0 main_~a~0.offset) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (not (= (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4)) main_~t~0.base))), 46718#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ 0 4)))) (or (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~a~0.offset (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))))), 46719#(and (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem14.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 0 main_~a~0.offset) (or (not (= main_~a~0.base |main_#t~mem14.base|)) (= main_~a~0.offset |main_#t~mem14.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem14.base|)))] [2018-02-04 02:41:44,035 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:41:44,035 INFO L409 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-02-04 02:41:44,035 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-02-04 02:41:44,035 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=957, Unknown=0, NotChecked=0, Total=1056 [2018-02-04 02:41:44,035 INFO L87 Difference]: Start difference. First operand 401 states and 466 transitions. Second operand 33 states. [2018-02-04 02:41:45,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:41:45,749 INFO L93 Difference]: Finished difference Result 459 states and 525 transitions. [2018-02-04 02:41:45,749 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-02-04 02:41:45,749 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 73 [2018-02-04 02:41:45,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:41:45,750 INFO L225 Difference]: With dead ends: 459 [2018-02-04 02:41:45,750 INFO L226 Difference]: Without dead ends: 459 [2018-02-04 02:41:45,750 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 897 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=463, Invalid=3569, Unknown=0, NotChecked=0, Total=4032 [2018-02-04 02:41:45,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states. [2018-02-04 02:41:45,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 401. [2018-02-04 02:41:45,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 401 states. [2018-02-04 02:41:45,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 466 transitions. [2018-02-04 02:41:45,753 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 466 transitions. Word has length 73 [2018-02-04 02:41:45,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:41:45,753 INFO L432 AbstractCegarLoop]: Abstraction has 401 states and 466 transitions. [2018-02-04 02:41:45,753 INFO L433 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-02-04 02:41:45,753 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 466 transitions. [2018-02-04 02:41:45,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-02-04 02:41:45,753 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:41:45,753 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:41:45,753 INFO L371 AbstractCegarLoop]: === Iteration 76 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:41:45,753 INFO L82 PathProgramCache]: Analyzing trace with hash -156561181, now seen corresponding path program 5 times [2018-02-04 02:41:45,754 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:41:45,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:41:45,762 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:41:46,698 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:41:46,698 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:41:46,698 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-02-04 02:41:46,698 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:41:46,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:41:46,698 INFO L182 omatonBuilderFactory]: Interpolants [47680#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))), 47681#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem18.base|) (+ 0 4))) (= 0 |main_#t~mem18.offset|)), 47682#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 47683#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) (+ 0 4)))) (= 0 |main_#t~mem21.offset|)), 47684#(or (<= (+ main_~p~0.offset 1) 0) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0))), 47685#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0)), 47686#(= 1 (select |#valid| |main_#t~mem21.base|)), 47687#(= 1 (select |#valid| main_~p~0.base)), 47654#true, 47655#false, 47656#(= |main_#t~malloc0.offset| 0), 47657#(= main_~a~0.offset 0), 47658#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 47659#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 47660#(and (not (= main_~p~0.base |main_#t~malloc5.base|)) (= |main_#t~malloc5.offset| 0) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 47661#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= main_~t~0.offset 0)), 47662#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 47663#(and (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem7.base|) (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~mem7.base|)) (= 0 |main_#t~mem7.offset|)), 47664#(and (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 47665#(and (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 47666#(and (= (select |#valid| |main_#t~malloc12.base|) 1) (= 0 |main_#t~malloc12.offset|) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~malloc12.base|)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base |main_#t~malloc12.base|)) (not (= main_~p~0.base main_~a~0.base))), 47667#(and (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base main_~t~0.base)) (= (select |#valid| main_~t~0.base) 1)), 47668#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 1) (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| main_~p~0.base))), 47669#(and (not (= main_~a~0.base |main_#t~mem14.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem14.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem14.base|) (= 0 |main_#t~mem14.offset|) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| |main_#t~mem14.base|) 1)), 47670#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (or (and (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1)) (<= (+ main_~p~0.offset 1) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= main_~p~0.base main_~a~0.base))), 47671#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 47672#(and (= 1 (select |#valid| |main_#t~malloc12.base|)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base |main_#t~malloc12.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~malloc12.base|)) (not (= main_~p~0.base main_~a~0.base)) (or (= main_~a~0.offset |main_#t~malloc12.offset|) (not (= main_~a~0.base |main_#t~malloc12.base|)))), 47673#(and (or (= main_~a~0.offset main_~t~0.offset) (not (= main_~a~0.base main_~t~0.base))) (= 0 main_~a~0.offset) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (not (= (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4)) main_~t~0.base)) (= 1 (select |#valid| main_~t~0.base))), 47674#(and (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (or (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~a~0.offset (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))))), 47675#(and (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem14.base|)) (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4)))) (or (not (= main_~a~0.base |main_#t~mem14.base|)) (= main_~a~0.offset |main_#t~mem14.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem14.base|))), 47676#(and (= 0 main_~a~0.offset) (or (and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))) (and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)))), 47677#(and (or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 3)) (= 0 main_~a~0.offset)), 47678#(and (or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3)) (= main_~p~0.offset 0)), 47679#(and (= main_~p~0.offset 0) (or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (and (= |main_#t~mem16| (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3))))] [2018-02-04 02:41:46,699 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:41:46,699 INFO L409 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-02-04 02:41:46,699 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-02-04 02:41:46,699 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=1012, Unknown=0, NotChecked=0, Total=1122 [2018-02-04 02:41:46,699 INFO L87 Difference]: Start difference. First operand 401 states and 466 transitions. Second operand 34 states. [2018-02-04 02:41:48,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:41:48,586 INFO L93 Difference]: Finished difference Result 435 states and 500 transitions. [2018-02-04 02:41:48,587 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-02-04 02:41:48,587 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 73 [2018-02-04 02:41:48,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:41:48,587 INFO L225 Difference]: With dead ends: 435 [2018-02-04 02:41:48,588 INFO L226 Difference]: Without dead ends: 435 [2018-02-04 02:41:48,588 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1097 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=585, Invalid=4107, Unknown=0, NotChecked=0, Total=4692 [2018-02-04 02:41:48,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2018-02-04 02:41:48,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 406. [2018-02-04 02:41:48,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 406 states. [2018-02-04 02:41:48,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 471 transitions. [2018-02-04 02:41:48,590 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 471 transitions. Word has length 73 [2018-02-04 02:41:48,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:41:48,590 INFO L432 AbstractCegarLoop]: Abstraction has 406 states and 471 transitions. [2018-02-04 02:41:48,590 INFO L433 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-02-04 02:41:48,590 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 471 transitions. [2018-02-04 02:41:48,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-02-04 02:41:48,591 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:41:48,591 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:41:48,591 INFO L371 AbstractCegarLoop]: === Iteration 77 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:41:48,591 INFO L82 PathProgramCache]: Analyzing trace with hash -156561180, now seen corresponding path program 3 times [2018-02-04 02:41:48,591 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:41:48,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:41:48,601 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:41:49,611 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:41:49,611 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:41:49,611 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-02-04 02:41:49,611 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:41:49,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:41:49,611 INFO L182 omatonBuilderFactory]: Interpolants [48599#true, 48600#false, 48601#(= |main_#t~malloc0.offset| 0), 48602#(= main_~a~0.offset 0), 48603#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 48604#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 48605#(and (not (= main_~p~0.base |main_#t~malloc5.base|)) (= |main_#t~malloc5.offset| 0) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 48606#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= main_~t~0.offset 0)), 48607#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 48608#(and (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem7.base|) (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~mem7.base|)) (= 0 |main_#t~mem7.offset|)), 48609#(and (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 48610#(and (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 48611#(and (= (select |#valid| |main_#t~malloc12.base|) 1) (= 0 |main_#t~malloc12.offset|) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~malloc12.base|)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base |main_#t~malloc12.base|)) (not (= main_~p~0.base main_~a~0.base))), 48612#(and (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base main_~t~0.base)) (= (select |#valid| main_~t~0.base) 1)), 48613#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 1) (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 48614#(and (not (= main_~a~0.base |main_#t~mem14.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem14.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem14.base|) (= 0 |main_#t~mem14.offset|) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| |main_#t~mem14.base|) 1)), 48615#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)) 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 48616#(and (= main_~a~0.offset |main_#t~malloc12.offset|) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 8 (select |#length| |main_#t~malloc12.base|)) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base |main_#t~malloc12.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~malloc12.base|)) (not (= main_~p~0.base main_~a~0.base))), 48617#(and (= 8 (select |#length| main_~t~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~a~0.offset main_~t~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (not (= (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4)) main_~t~0.base))), 48618#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ 0 4))) (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ 0 4))))), 48619#(and (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem14.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~a~0.offset |main_#t~mem14.offset|) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem14.base|))), 48620#(and (= 0 main_~a~0.offset) (or (and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4)))) (not (= main_~p~0.base main_~a~0.base))) (and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)))), 48621#(and (= 0 main_~a~0.offset) (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))))) (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 3))), 48622#(and (= main_~p~0.offset 0) (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3))), 48623#(and (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (and (= |main_#t~mem16| (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3))) (= main_~p~0.offset 0)), 48624#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))), 48625#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem18.base|) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) (+ 0 4))) (+ 0 4))) (= 0 |main_#t~mem18.offset|) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) (+ 0 4))) (+ 0 4))))), 48626#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))), 48627#(and (= 0 |main_#t~mem21.offset|) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem21.base|) (+ 0 4)))), 48628#(or (<= (+ main_~p~0.offset 1) 0) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))))), 48629#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 48630#(and (= 0 |main_#t~mem21.offset|) (= 8 (select |#length| |main_#t~mem21.base|))), 48631#(and (= main_~p~0.offset 0) (= 8 (select |#length| main_~p~0.base)))] [2018-02-04 02:41:49,612 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:41:49,612 INFO L409 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-02-04 02:41:49,612 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-02-04 02:41:49,612 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=957, Unknown=0, NotChecked=0, Total=1056 [2018-02-04 02:41:49,612 INFO L87 Difference]: Start difference. First operand 406 states and 471 transitions. Second operand 33 states. [2018-02-04 02:41:51,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:41:51,510 INFO L93 Difference]: Finished difference Result 457 states and 523 transitions. [2018-02-04 02:41:51,510 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-02-04 02:41:51,510 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 73 [2018-02-04 02:41:51,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:41:51,511 INFO L225 Difference]: With dead ends: 457 [2018-02-04 02:41:51,511 INFO L226 Difference]: Without dead ends: 457 [2018-02-04 02:41:51,511 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 901 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=463, Invalid=3569, Unknown=0, NotChecked=0, Total=4032 [2018-02-04 02:41:51,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2018-02-04 02:41:51,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 396. [2018-02-04 02:41:51,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 396 states. [2018-02-04 02:41:51,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 461 transitions. [2018-02-04 02:41:51,514 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 461 transitions. Word has length 73 [2018-02-04 02:41:51,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:41:51,514 INFO L432 AbstractCegarLoop]: Abstraction has 396 states and 461 transitions. [2018-02-04 02:41:51,514 INFO L433 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-02-04 02:41:51,514 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 461 transitions. [2018-02-04 02:41:51,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-02-04 02:41:51,514 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:41:51,514 INFO L351 BasicCegarLoop]: trace histogram [3, 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] [2018-02-04 02:41:51,515 INFO L371 AbstractCegarLoop]: === Iteration 78 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:41:51,515 INFO L82 PathProgramCache]: Analyzing trace with hash -149760106, now seen corresponding path program 6 times [2018-02-04 02:41:51,515 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:41:51,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:41:51,522 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:41:52,439 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 02:41:52,440 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:41:52,440 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-02-04 02:41:52,440 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:41:52,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:41:52,440 INFO L182 omatonBuilderFactory]: Interpolants [49547#true, 49548#false, 49549#(= |main_#t~malloc0.offset| 0), 49550#(= main_~a~0.offset 0), 49551#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 49552#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 49553#(and (not (= main_~p~0.base |main_#t~malloc5.base|)) (= |main_#t~malloc5.offset| 0) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 1 (select |#valid| |main_#t~malloc5.base|)) (= main_~p~0.base main_~a~0.base)), 49554#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= 1 (select |#valid| main_~t~0.base)) (= main_~t~0.offset 0)), 49555#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 49556#(and (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem7.base|) (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~mem7.base|)) (= 0 |main_#t~mem7.offset|) (= 1 (select |#valid| |main_#t~mem7.base|))), 49557#(and (= (select |#valid| main_~a~0.base) 1) (or (and (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (<= (+ main_~p~0.offset 1) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= 1 (select |#valid| main_~p~0.base)) (not (= main_~p~0.base main_~a~0.base))), 49558#(and (= (select |#valid| main_~a~0.base) 1) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| main_~p~0.base)) (not (= main_~p~0.base main_~a~0.base))), 49559#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~p~0.base |main_#t~malloc5.base|)) (= (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)) 0) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 1 (select |#valid| |main_#t~malloc5.base|)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base |main_#t~malloc5.base|))), 49560#(and (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| main_~t~0.base)) (not (= main_~a~0.base main_~t~0.base))), 49561#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| main_~p~0.base))), 49562#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem7.base|) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~mem7.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 |main_#t~mem7.offset|) (= 1 (select |#valid| |main_#t~mem7.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem7.base|))), 49563#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 1 (select |#valid| main_~p~0.base)) (not (= main_~p~0.base main_~a~0.base))), 49564#(and (= main_~a~0.offset |main_#t~malloc12.offset|) (= 1 (select |#valid| |main_#t~malloc12.base|)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base |main_#t~malloc12.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~malloc12.base|)) (not (= main_~p~0.base main_~a~0.base))), 49565#(and (= 0 main_~a~0.offset) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~a~0.offset main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (not (= (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4)) main_~t~0.base)) (= 1 (select |#valid| main_~t~0.base))), 49566#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))), 49567#(and (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem14.base|)) (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~a~0.offset |main_#t~mem14.offset|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem14.base|))), 49568#(and (= 0 main_~a~0.offset) (or (and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))) (and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)))), 49569#(and (or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 3)) (= 0 main_~a~0.offset)), 49570#(and (or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3)) (= main_~p~0.offset 0)), 49571#(and (= main_~p~0.offset 0) (or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (and (= |main_#t~mem16| (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3)))), 49572#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))), 49573#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem18.base|) (+ 0 4))) (= 0 |main_#t~mem18.offset|)), 49574#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 49575#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) (+ 0 4)))) (= 0 |main_#t~mem18.offset|)), 49576#(or (<= (+ main_~p~0.offset 1) 0) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0))), 49577#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0)), 49578#(= 1 (select |#valid| |main_#t~mem21.base|)), 49579#(= 1 (select |#valid| main_~p~0.base))] [2018-02-04 02:41:52,440 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 02:41:52,440 INFO L409 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-02-04 02:41:52,441 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-02-04 02:41:52,441 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=947, Unknown=0, NotChecked=0, Total=1056 [2018-02-04 02:41:52,441 INFO L87 Difference]: Start difference. First operand 396 states and 461 transitions. Second operand 33 states. [2018-02-04 02:41:54,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:41:54,272 INFO L93 Difference]: Finished difference Result 439 states and 504 transitions. [2018-02-04 02:41:54,272 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-02-04 02:41:54,272 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 73 [2018-02-04 02:41:54,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:41:54,273 INFO L225 Difference]: With dead ends: 439 [2018-02-04 02:41:54,273 INFO L226 Difference]: Without dead ends: 439 [2018-02-04 02:41:54,273 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1016 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=572, Invalid=3850, Unknown=0, NotChecked=0, Total=4422 [2018-02-04 02:41:54,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2018-02-04 02:41:54,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 401. [2018-02-04 02:41:54,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 401 states. [2018-02-04 02:41:54,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 466 transitions. [2018-02-04 02:41:54,276 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 466 transitions. Word has length 73 [2018-02-04 02:41:54,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:41:54,276 INFO L432 AbstractCegarLoop]: Abstraction has 401 states and 466 transitions. [2018-02-04 02:41:54,276 INFO L433 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-02-04 02:41:54,276 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 466 transitions. [2018-02-04 02:41:54,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-02-04 02:41:54,276 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:41:54,276 INFO L351 BasicCegarLoop]: trace histogram [3, 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] [2018-02-04 02:41:54,276 INFO L371 AbstractCegarLoop]: === Iteration 79 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:41:54,276 INFO L82 PathProgramCache]: Analyzing trace with hash -149760105, now seen corresponding path program 4 times [2018-02-04 02:41:54,277 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:41:54,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:41:54,295 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:41:55,340 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 02:41:55,340 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:41:55,340 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-02-04 02:41:55,340 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:41:55,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:41:55,341 INFO L182 omatonBuilderFactory]: Interpolants [50496#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 50497#(and (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem7.base|) (= (select |#valid| main_~a~0.base) 1) (= 8 (select |#length| |main_#t~mem7.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~mem7.base|)) (= 0 |main_#t~mem7.offset|) (= 1 (select |#valid| |main_#t~mem7.base|))), 50498#(and (or (<= (+ main_~p~0.offset 1) 0) (and (= main_~p~0.offset 0) (= 8 (select |#length| main_~p~0.base)))) (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 50499#(and (= (select |#valid| main_~a~0.base) 1) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| main_~p~0.base)) (not (= main_~p~0.base main_~a~0.base)) (= 8 (select |#length| main_~p~0.base))), 50500#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~p~0.base |main_#t~malloc5.base|)) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= (select |#valid| |main_#t~malloc5.base|) 1) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (= 8 (select |#length| main_~p~0.base)) (not (= main_~a~0.base |main_#t~malloc5.base|))), 50501#(and (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (= 8 (select |#length| main_~p~0.base)) (not (= main_~a~0.base main_~t~0.base)) (= (select |#valid| main_~t~0.base) 1)), 50502#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 1) (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= 8 (select |#length| main_~p~0.base))), 50503#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem7.base|) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~mem7.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| |main_#t~mem7.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (= 0 |main_#t~mem7.offset|) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem7.base|))), 50504#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 50505#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 |main_#t~malloc12.offset|) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 8 (select |#length| |main_#t~malloc12.base|)) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base |main_#t~malloc12.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~malloc12.base|)) (not (= main_~p~0.base main_~a~0.base))), 50506#(and (= 8 (select |#length| main_~t~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~a~0.offset main_~t~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (not (= (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4)) main_~t~0.base)) (= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))))), 50507#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ 0 4))) (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~a~0.offset (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ 0 4))))), 50508#(and (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem14.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~a~0.offset |main_#t~mem14.offset|) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem14.base|))), 50509#(or (and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))))) (and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base))), 50510#(or (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 3) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4)))))), 50511#(or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3)), 50512#(or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (and (= |main_#t~mem16| (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3))), 50513#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))), 50514#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem18.base|) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) (+ 0 4))) (+ 0 4))) (= 8 (select |#length| |main_#t~mem18.base|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) (+ 0 4))) (+ 0 4))))), 50515#(or (and (= (select |#length| main_~p~0.base) 8) (<= 1 main_~p~0.offset)) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (<= (+ main_~p~0.offset 1) 0)), 50516#(or (and (= (select |#length| main_~p~0.base) 8) (<= 1 main_~p~0.offset)) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))))), 50517#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem18.base|) (+ 0 4))) (= 0 |main_#t~mem18.offset|)), 50518#(or (<= (+ main_~p~0.offset 1) 0) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))))), 50519#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 50520#(and (= 0 |main_#t~mem21.offset|) (= 8 (select |#length| |main_#t~mem21.base|))), 50521#(and (= main_~p~0.offset 0) (= 8 (select |#length| main_~p~0.base))), 50488#true, 50489#false, 50490#(= |main_#t~malloc0.offset| 0), 50491#(= main_~a~0.offset 0), 50492#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 50493#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 50494#(and (not (= main_~p~0.base |main_#t~malloc5.base|)) (= 8 (select |#length| |main_#t~malloc5.base|)) (= |main_#t~malloc5.offset| 0) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 1 (select |#valid| |main_#t~malloc5.base|)) (= main_~p~0.base main_~a~0.base)), 50495#(and (= 8 (select |#length| main_~t~0.base)) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= 1 (select |#valid| main_~t~0.base)) (= main_~t~0.offset 0))] [2018-02-04 02:41:55,341 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 02:41:55,341 INFO L409 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-02-04 02:41:55,341 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-02-04 02:41:55,341 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=1016, Unknown=0, NotChecked=0, Total=1122 [2018-02-04 02:41:55,341 INFO L87 Difference]: Start difference. First operand 401 states and 466 transitions. Second operand 34 states. [2018-02-04 02:41:57,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:41:57,643 INFO L93 Difference]: Finished difference Result 459 states and 525 transitions. [2018-02-04 02:41:57,643 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-02-04 02:41:57,643 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 73 [2018-02-04 02:41:57,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:41:57,644 INFO L225 Difference]: With dead ends: 459 [2018-02-04 02:41:57,644 INFO L226 Difference]: Without dead ends: 459 [2018-02-04 02:41:57,645 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1009 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=508, Invalid=3914, Unknown=0, NotChecked=0, Total=4422 [2018-02-04 02:41:57,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states. [2018-02-04 02:41:57,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 396. [2018-02-04 02:41:57,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 396 states. [2018-02-04 02:41:57,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 461 transitions. [2018-02-04 02:41:57,647 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 461 transitions. Word has length 73 [2018-02-04 02:41:57,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:41:57,647 INFO L432 AbstractCegarLoop]: Abstraction has 396 states and 461 transitions. [2018-02-04 02:41:57,647 INFO L433 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-02-04 02:41:57,647 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 461 transitions. [2018-02-04 02:41:57,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-02-04 02:41:57,647 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:41:57,647 INFO L351 BasicCegarLoop]: trace histogram [4, 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] [2018-02-04 02:41:57,648 INFO L371 AbstractCegarLoop]: === Iteration 80 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:41:57,648 INFO L82 PathProgramCache]: Analyzing trace with hash -1397892352, now seen corresponding path program 5 times [2018-02-04 02:41:57,648 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:41:57,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:41:57,655 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:41:58,579 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-02-04 02:41:58,579 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:41:58,579 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-02-04 02:41:58,579 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:41:58,579 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 02:41:58,580 INFO L182 omatonBuilderFactory]: Interpolants [51456#(and (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base main_~t~0.base)) (= (select |#valid| main_~t~0.base) 1)), 51457#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 1) (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 51458#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem7.offset|) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem7.base|) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~mem7.base|)) (= (select |#valid| |main_#t~mem7.base|) 1) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem7.base|))), 51459#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 51460#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 51461#(and (not (= main_~p~0.base |main_#t~malloc5.base|)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~malloc5.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (or (= main_~a~0.offset |main_#t~malloc5.offset|) (not (= main_~a~0.base |main_#t~malloc5.base|))) (not (= main_~p~0.base main_~a~0.base))), 51462#(and (or (= main_~a~0.offset main_~t~0.offset) (not (= main_~a~0.base main_~t~0.base))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~p~0.offset (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (not (= main_~p~0.base main_~t~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (not (= (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4)) main_~t~0.base))), 51463#(and (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (or (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~a~0.offset (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))))), 51464#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem7.base|)) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (or (= main_~a~0.offset |main_#t~mem7.offset|) (not (= main_~a~0.base |main_#t~mem7.base|))) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem7.base|))), 51465#(and (= 0 main_~a~0.offset) (or (and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select (select (store |#memory_int| main_~p~0.base (store (select |#memory_int| main_~p~0.base) main_~p~0.offset 3)) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (not (= main_~p~0.base main_~a~0.base))) (and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)))), 51466#(and (= 0 main_~a~0.offset) (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))))) (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 3))), 51467#(and (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))))) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3)) (= main_~p~0.offset 0)), 51468#(and (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))))) (and (= |main_#t~mem16| (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3))) (= main_~p~0.offset 0)), 51469#(and (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))))), 51470#(and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) (+ 0 4))) (select (select |#memory_$Pointer$.offset| |main_#t~mem18.base|) (+ 0 4)))) (= 0 |main_#t~mem18.offset|)), 51471#(or (and (= main_~p~0.offset 0) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))))) (<= (+ main_~p~0.offset 1) 0)), 51472#(and (= main_~p~0.offset 0) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))))), 51473#(= 1 (select (select |#memory_int| |main_#t~mem18.base|) |main_#t~mem18.offset|)), 51474#(= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)), 51475#(= 1 |main_#t~mem16|), 51443#true, 51444#false, 51445#(= |main_#t~malloc0.offset| 0), 51446#(= main_~a~0.offset 0), 51447#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 51448#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 51449#(and (not (= main_~p~0.base |main_#t~malloc5.base|)) (= |main_#t~malloc5.offset| 0) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| |main_#t~malloc5.base|) 1) (= main_~p~0.base main_~a~0.base)), 51450#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= main_~t~0.offset 0) (= (select |#valid| main_~t~0.base) 1)), 51451#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 1) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 51452#(and (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem7.base|) (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~mem7.base|)) (= (select |#valid| |main_#t~mem7.base|) 1) (= 0 |main_#t~mem7.offset|)), 51453#(and (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~a~0.base)) (or (<= (+ main_~p~0.offset 1) 0) (and (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1)))), 51454#(and (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 51455#(and (not (= main_~p~0.base |main_#t~malloc5.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| |main_#t~malloc5.base|) 1) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base |main_#t~malloc5.base|)))] [2018-02-04 02:41:58,580 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-02-04 02:41:58,580 INFO L409 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-02-04 02:41:58,580 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-02-04 02:41:58,580 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=948, Unknown=0, NotChecked=0, Total=1056 [2018-02-04 02:41:58,580 INFO L87 Difference]: Start difference. First operand 396 states and 461 transitions. Second operand 33 states. [2018-02-04 02:42:00,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:42:00,429 INFO L93 Difference]: Finished difference Result 461 states and 528 transitions. [2018-02-04 02:42:00,429 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-02-04 02:42:00,429 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 73 [2018-02-04 02:42:00,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:42:00,430 INFO L225 Difference]: With dead ends: 461 [2018-02-04 02:42:00,430 INFO L226 Difference]: Without dead ends: 461 [2018-02-04 02:42:00,431 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1032 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=553, Invalid=3869, Unknown=0, NotChecked=0, Total=4422 [2018-02-04 02:42:00,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2018-02-04 02:42:00,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 393. [2018-02-04 02:42:00,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 393 states. [2018-02-04 02:42:00,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 457 transitions. [2018-02-04 02:42:00,433 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 457 transitions. Word has length 73 [2018-02-04 02:42:00,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:42:00,433 INFO L432 AbstractCegarLoop]: Abstraction has 393 states and 457 transitions. [2018-02-04 02:42:00,433 INFO L433 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-02-04 02:42:00,433 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 457 transitions. [2018-02-04 02:42:00,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-02-04 02:42:00,433 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:42:00,433 INFO L351 BasicCegarLoop]: trace histogram [5, 5, 5, 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, 1, 1] [2018-02-04 02:42:00,433 INFO L371 AbstractCegarLoop]: === Iteration 81 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:42:00,434 INFO L82 PathProgramCache]: Analyzing trace with hash 962253428, now seen corresponding path program 9 times [2018-02-04 02:42:00,434 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:42:00,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:42:00,444 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:42:00,923 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 02:42:00,924 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:42:00,924 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-02-04 02:42:00,924 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:42:00,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:42:00,924 INFO L182 omatonBuilderFactory]: Interpolants [52416#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset 0)), 52417#(and (not (= main_~a~0.base |main_#t~mem14.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset 0)), 52418#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~a~0.base))), 52419#(and (= main_~a~0.offset |main_#t~malloc12.offset|) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= |main_#t~malloc12.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (not (= main_~p~0.base main_~a~0.base))), 52420#(and (= 0 main_~a~0.offset) (= main_~a~0.offset main_~t~0.offset) (or (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4)))) (= main_~t~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))))), 52421#(and (= 0 main_~a~0.offset) (= main_~a~0.offset (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (or (= (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)) (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))))), 52422#(and (= 0 main_~a~0.offset) (or (= |main_#t~mem14.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))))) (= main_~a~0.offset |main_#t~mem14.offset|)), 52423#(and (= 0 main_~a~0.offset) (or (and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)) (and (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= main_~p~0.base main_~a~0.base))))), 52424#(and (= 0 main_~a~0.offset) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 3))), 52425#(and (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3)) (= main_~p~0.offset 0)), 52426#(and (= main_~p~0.offset 0) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= |main_#t~mem19| 3))), 52427#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0)), 52428#(= 1 (select |#valid| |main_#t~mem21.base|)), 52429#(= 1 (select |#valid| main_~p~0.base)), 52398#true, 52399#false, 52400#(= |main_#t~malloc0.offset| 0), 52401#(= main_~a~0.offset 0), 52402#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 52403#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 52404#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base |main_#t~malloc12.base|)) (= main_~p~0.base main_~a~0.base)), 52405#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 52406#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base main_~a~0.base)), 52407#(and (= (select |#valid| main_~a~0.base) 1) (not (= main_~a~0.base |main_#t~mem14.base|)) (= |main_#t~mem14.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0)), 52408#(and (= (select |#valid| main_~a~0.base) 1) (= main_~a~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 52409#(and (= (select |#valid| main_~a~0.base) 1) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~malloc12.base|)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 52410#(and (= (select |#valid| main_~a~0.base) 1) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~a~0.base main_~t~0.base))), 52411#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select |#valid| main_~a~0.base) 1) (= main_~a~0.offset 0) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 52412#(and (= (select |#valid| main_~a~0.base) 1) (not (= main_~a~0.base |main_#t~mem14.base|)) (= main_~a~0.offset 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1)), 52413#(and (= (select |#valid| main_~a~0.base) 1) (= main_~a~0.offset 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (not (= main_~p~0.base main_~a~0.base))), 52414#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~malloc12.base|)) (not (= main_~p~0.base main_~a~0.base))), 52415#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset 0) (not (= main_~a~0.base main_~t~0.base)))] [2018-02-04 02:42:00,924 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 02:42:00,924 INFO L409 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-02-04 02:42:00,924 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-02-04 02:42:00,925 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=876, Unknown=0, NotChecked=0, Total=992 [2018-02-04 02:42:00,925 INFO L87 Difference]: Start difference. First operand 393 states and 457 transitions. Second operand 32 states. [2018-02-04 02:42:01,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:42:01,973 INFO L93 Difference]: Finished difference Result 454 states and 522 transitions. [2018-02-04 02:42:01,973 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-02-04 02:42:01,973 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 74 [2018-02-04 02:42:01,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:42:01,974 INFO L225 Difference]: With dead ends: 454 [2018-02-04 02:42:01,974 INFO L226 Difference]: Without dead ends: 454 [2018-02-04 02:42:01,974 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 605 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=539, Invalid=2653, Unknown=0, NotChecked=0, Total=3192 [2018-02-04 02:42:01,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2018-02-04 02:42:01,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 398. [2018-02-04 02:42:01,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 398 states. [2018-02-04 02:42:01,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 462 transitions. [2018-02-04 02:42:01,976 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 462 transitions. Word has length 74 [2018-02-04 02:42:01,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:42:01,977 INFO L432 AbstractCegarLoop]: Abstraction has 398 states and 462 transitions. [2018-02-04 02:42:01,977 INFO L433 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-02-04 02:42:01,977 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 462 transitions. [2018-02-04 02:42:01,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-02-04 02:42:01,977 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:42:01,977 INFO L351 BasicCegarLoop]: trace histogram [5, 5, 5, 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, 1, 1] [2018-02-04 02:42:01,977 INFO L371 AbstractCegarLoop]: === Iteration 82 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:42:01,977 INFO L82 PathProgramCache]: Analyzing trace with hash 962253429, now seen corresponding path program 7 times [2018-02-04 02:42:01,978 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:42:01,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:42:01,988 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:42:02,721 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 02:42:02,721 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:42:02,721 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-02-04 02:42:02,721 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:42:02,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:42:02,722 INFO L182 omatonBuilderFactory]: Interpolants [53332#true, 53333#false, 53334#(= |main_#t~malloc0.offset| 0), 53335#(= main_~a~0.offset 0), 53336#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 53337#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 53338#(and (= 0 |main_#t~malloc12.offset|) (= 8 (select |#length| |main_#t~malloc12.base|)) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base |main_#t~malloc12.base|)) (= main_~p~0.base main_~a~0.base)), 53339#(and (= 8 (select |#length| main_~t~0.base)) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 53340#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base main_~a~0.base)), 53341#(and (= 8 (select |#length| |main_#t~mem14.base|)) (= (select |#valid| main_~a~0.base) 1) (not (= main_~a~0.base |main_#t~mem14.base|)) (= 0 |main_#t~mem14.offset|) (= |main_#t~mem14.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0)), 53342#(and (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (= 8 (select |#length| main_~p~0.base))), 53343#(and (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base)) (= 8 (select |#length| main_~p~0.base))), 53344#(and (= (select |#length| main_~p~0.base) 8) (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~malloc12.base|)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 53345#(and (= (select |#length| main_~p~0.base) 8) (= (select |#valid| main_~a~0.base) 1) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base main_~t~0.base))), 53346#(and (= (select |#length| main_~p~0.base) 8) (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1)), 53347#(and (= (select |#valid| main_~a~0.base) 1) (not (= main_~a~0.base |main_#t~mem14.base|)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1)), 53348#(and (= (select |#valid| main_~a~0.base) 1) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (not (= main_~p~0.base main_~a~0.base))), 53349#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~malloc12.base|)) (not (= main_~p~0.base main_~a~0.base))), 53350#(and (<= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base main_~t~0.base))), 53351#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0)), 53352#(and (not (= main_~a~0.base |main_#t~mem14.base|)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0)), 53353#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~a~0.base))), 53354#(and (= main_~a~0.offset |main_#t~malloc12.offset|) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 53355#(and (= 0 main_~a~0.offset) (<= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset main_~t~0.offset) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4)))), 53356#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 53357#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset |main_#t~mem14.offset|)), 53358#(and (or (and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)) (and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)))) (= 0 main_~a~0.offset)), 53359#(and (= 0 main_~a~0.offset) (or (and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 3))), 53360#(and (= main_~p~0.offset 0) (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))))) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3))), 53361#(and (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))))) (= |main_#t~mem19| 3)) (= main_~p~0.offset 0)), 53362#(and (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))))), 53363#(and (= 0 |main_#t~mem21.offset|) (<= 8 (select |#length| |main_#t~mem21.base|))), 53364#(and (= main_~p~0.offset 0) (<= 8 (select |#length| main_~p~0.base)))] [2018-02-04 02:42:02,722 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 02:42:02,722 INFO L409 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-02-04 02:42:02,722 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-02-04 02:42:02,722 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=899, Unknown=0, NotChecked=0, Total=1056 [2018-02-04 02:42:02,722 INFO L87 Difference]: Start difference. First operand 398 states and 462 transitions. Second operand 33 states. [2018-02-04 02:42:03,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:42:03,803 INFO L93 Difference]: Finished difference Result 466 states and 534 transitions. [2018-02-04 02:42:03,804 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-02-04 02:42:03,804 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 74 [2018-02-04 02:42:03,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:42:03,804 INFO L225 Difference]: With dead ends: 466 [2018-02-04 02:42:03,804 INFO L226 Difference]: Without dead ends: 465 [2018-02-04 02:42:03,805 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 744 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=545, Invalid=2535, Unknown=0, NotChecked=0, Total=3080 [2018-02-04 02:42:03,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2018-02-04 02:42:03,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 398. [2018-02-04 02:42:03,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 398 states. [2018-02-04 02:42:03,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 462 transitions. [2018-02-04 02:42:03,807 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 462 transitions. Word has length 74 [2018-02-04 02:42:03,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:42:03,807 INFO L432 AbstractCegarLoop]: Abstraction has 398 states and 462 transitions. [2018-02-04 02:42:03,807 INFO L433 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-02-04 02:42:03,807 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 462 transitions. [2018-02-04 02:42:03,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-02-04 02:42:03,807 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:42:03,807 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:42:03,807 INFO L371 AbstractCegarLoop]: === Iteration 83 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:42:03,807 INFO L82 PathProgramCache]: Analyzing trace with hash 857787444, now seen corresponding path program 3 times [2018-02-04 02:42:03,808 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:42:03,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:42:03,814 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:42:04,175 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 2 proven. 33 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-02-04 02:42:04,175 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:42:04,175 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-02-04 02:42:04,175 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:42:04,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:42:04,176 INFO L182 omatonBuilderFactory]: Interpolants [54275#true, 54276#false, 54277#(= |main_#t~malloc0.offset| 0), 54278#(= main_~a~0.offset 0), 54279#(and (= main_~a~0.offset 0) (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)), 54280#(and (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= main_~a~0.offset 0) (= main_~p~0.offset main_~a~0.offset) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 54281#(and (not (= main_~p~0.base |main_#t~malloc5.base|)) (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= main_~a~0.offset 0) (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)), 54282#(and (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)), 54283#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= main_~a~0.offset 0) (= main_~p~0.offset main_~a~0.offset) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 54284#(and (= (select |#valid| main_~a~0.base) 1) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~mem7.base|)) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))), 54285#(and (= (select |#valid| main_~a~0.base) 1) (= main_~a~0.offset 0) (= 1 (select (select (store |#memory_int| main_~p~0.base (store (select |#memory_int| main_~p~0.base) main_~p~0.offset 1)) main_~a~0.base) main_~a~0.offset)) (not (= main_~p~0.base main_~a~0.base))), 54286#(and (= (select |#valid| main_~a~0.base) 1) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~a~0.base)) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset)) (not (= main_~a~0.base |main_#t~malloc5.base|))), 54287#(and (= (select |#valid| main_~a~0.base) 1) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~a~0.base)) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset)) (not (= main_~a~0.base main_~t~0.base))), 54288#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select |#valid| main_~a~0.base) 1) (= main_~a~0.offset 0) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))), 54289#(and (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~malloc12.base|)) (not (= main_~p~0.base main_~a~0.base)) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))), 54290#(and (= main_~a~0.offset 0) (not (= main_~p~0.base main_~a~0.base)) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset)) (not (= main_~a~0.base main_~t~0.base))), 54291#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~a~0.offset 0) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))), 54292#(and (not (= main_~a~0.base |main_#t~mem14.base|)) (= main_~a~0.offset 0) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))), 54293#(and (= main_~a~0.offset 0) (not (= main_~p~0.base main_~a~0.base)) (= 1 (select (select (store |#memory_int| main_~p~0.base (store (select |#memory_int| main_~p~0.base) main_~p~0.offset 2)) main_~a~0.base) main_~a~0.offset))), 54294#(and (not (= main_~p~0.base main_~a~0.base)) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset)) (or (= main_~a~0.offset |main_#t~malloc12.offset|) (not (= main_~a~0.base |main_#t~malloc12.base|)))), 54295#(and (or (= main_~a~0.offset main_~t~0.offset) (not (= main_~a~0.base main_~t~0.base))) (not (= main_~p~0.base main_~a~0.base)) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))), 54296#(and (or (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~a~0.offset (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))), 54297#(and (or (not (= main_~a~0.base |main_#t~mem14.base|)) (= main_~a~0.offset |main_#t~mem14.offset|)) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))), 54298#(or (and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)) (= 1 (select (select (store |#memory_int| main_~p~0.base (store (select |#memory_int| main_~p~0.base) main_~p~0.offset 3)) main_~a~0.base) main_~a~0.offset))), 54299#(or (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 3) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))), 54300#(or (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3)), 54301#(or (= 1 |main_#t~mem16|) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3)), 54302#(= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3), 54303#(= |main_#t~mem19| 3)] [2018-02-04 02:42:04,176 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 2 proven. 33 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-02-04 02:42:04,176 INFO L409 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-02-04 02:42:04,176 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-02-04 02:42:04,176 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=676, Unknown=0, NotChecked=0, Total=812 [2018-02-04 02:42:04,176 INFO L87 Difference]: Start difference. First operand 398 states and 462 transitions. Second operand 29 states. [2018-02-04 02:42:04,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:42:04,946 INFO L93 Difference]: Finished difference Result 467 states and 525 transitions. [2018-02-04 02:42:04,947 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-02-04 02:42:04,947 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 74 [2018-02-04 02:42:04,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:42:04,948 INFO L225 Difference]: With dead ends: 467 [2018-02-04 02:42:04,948 INFO L226 Difference]: Without dead ends: 467 [2018-02-04 02:42:04,948 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 589 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=484, Invalid=1966, Unknown=0, NotChecked=0, Total=2450 [2018-02-04 02:42:04,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2018-02-04 02:42:04,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 386. [2018-02-04 02:42:04,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 386 states. [2018-02-04 02:42:04,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 446 transitions. [2018-02-04 02:42:04,950 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 446 transitions. Word has length 74 [2018-02-04 02:42:04,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:42:04,950 INFO L432 AbstractCegarLoop]: Abstraction has 386 states and 446 transitions. [2018-02-04 02:42:04,950 INFO L433 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-02-04 02:42:04,950 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 446 transitions. [2018-02-04 02:42:04,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-02-04 02:42:04,951 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:42:04,951 INFO L351 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 4, 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] [2018-02-04 02:42:04,951 INFO L371 AbstractCegarLoop]: === Iteration 84 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:42:04,951 INFO L82 PathProgramCache]: Analyzing trace with hash -1287974520, now seen corresponding path program 9 times [2018-02-04 02:42:04,951 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:42:04,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:42:04,968 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:42:06,207 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 11 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:42:06,207 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:42:06,207 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2018-02-04 02:42:06,207 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:42:06,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:42:06,208 INFO L182 omatonBuilderFactory]: Interpolants [55232#(and (= (select (select |#memory_int| |main_#t~mem18.base|) 0) 3) (= 8 (select |#length| |main_#t~mem18.base|))), 55233#(and (or (not (= main_~p~0.offset 0)) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3)) (= 8 (select |#length| main_~p~0.base))), 55234#(and (= 8 (select |#length| main_~p~0.base)) (or (< 0 main_~p~0.offset) (= main_~p~0.offset 0)) (or (not (= main_~p~0.offset 0)) (= |main_#t~mem16| 3))), 55235#(and (< 0 main_~p~0.offset) (= 8 (select |#length| main_~p~0.base))), 55199#true, 55200#false, 55201#(= |main_#t~malloc0.offset| 0), 55202#(= main_~a~0.offset 0), 55203#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 55204#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 55205#(and (not (= main_~p~0.base |main_#t~malloc5.base|)) (= |main_#t~malloc5.offset| 0) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| |main_#t~malloc5.base|) 1) (= main_~p~0.base main_~a~0.base)), 55206#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= main_~t~0.offset 0) (= (select |#valid| main_~t~0.base) 1)), 55207#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 1) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 55208#(and (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem7.base|) (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~mem7.base|)) (= (select |#valid| |main_#t~mem7.base|) 1) (= 0 |main_#t~mem7.offset|)), 55209#(and (= (select |#valid| main_~a~0.base) 1) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~a~0.base)) (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1)) (<= (+ main_~p~0.offset 1) 0))), 55210#(and (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 55211#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~p~0.base |main_#t~malloc5.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| |main_#t~malloc5.base|) 1) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base |main_#t~malloc5.base|))), 55212#(and (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base main_~t~0.base)) (= (select |#valid| main_~t~0.base) 1)), 55213#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 1) (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 55214#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem7.base|) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~mem7.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| |main_#t~mem7.base|) 1) (= 0 |main_#t~mem7.offset|) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem7.base|))), 55215#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (or (<= (+ main_~p~0.offset 1) 0) (= main_~p~0.offset 0)) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 55216#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 55217#(and (not (= main_~p~0.base |main_#t~malloc5.base|)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 8 (select |#length| |main_#t~malloc5.base|)) (= 0 main_~a~0.offset) (= main_~a~0.offset |main_#t~malloc5.offset|) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~malloc5.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 55218#(and (= 8 (select |#length| main_~t~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~a~0.offset main_~t~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (not (= (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4)) main_~t~0.base))), 55219#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ 0 4))))), 55220#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem7.base|)) (= 0 main_~a~0.offset) (= main_~a~0.offset |main_#t~mem7.offset|) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4)) |main_#t~mem7.base|) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem7.base|))), 55221#(and (or (and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)) (and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4)))))) (= 0 main_~a~0.offset)), 55222#(and (= 0 main_~a~0.offset) (or (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 3) (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) 0) 3) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))))))), 55223#(and (= main_~p~0.offset 0) (or (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4))) 0) 3) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3))), 55224#(and (or (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4))) 0) 3) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (and (= |main_#t~mem16| (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3))) (= main_~p~0.offset 0)), 55225#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4))) 0) 3) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))), 55226#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem18.base|) (+ 0 4))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) (+ 0 4))) (+ 0 4))) 0) 3) (= 0 |main_#t~mem18.offset|) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) (+ 0 4))) (+ 0 4))))), 55227#(or (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) 0) 3) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))) (<= (+ main_~p~0.offset 1) 0)), 55228#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) 0) 3) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 55229#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) (+ 0 4)))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) (+ 0 4))) 0) 3) (= 0 |main_#t~mem18.offset|)), 55230#(or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 0) 3) (= main_~p~0.offset 0)) (<= (+ main_~p~0.offset 1) 0)), 55231#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 0) 3) (= main_~p~0.offset 0))] [2018-02-04 02:42:06,208 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 11 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:42:06,208 INFO L409 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-02-04 02:42:06,208 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-02-04 02:42:06,208 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=1222, Unknown=0, NotChecked=0, Total=1332 [2018-02-04 02:42:06,208 INFO L87 Difference]: Start difference. First operand 386 states and 446 transitions. Second operand 37 states. [2018-02-04 02:42:08,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:42:08,430 INFO L93 Difference]: Finished difference Result 451 states and 511 transitions. [2018-02-04 02:42:08,430 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-02-04 02:42:08,430 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 75 [2018-02-04 02:42:08,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:42:08,431 INFO L225 Difference]: With dead ends: 451 [2018-02-04 02:42:08,431 INFO L226 Difference]: Without dead ends: 450 [2018-02-04 02:42:08,431 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1090 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=483, Invalid=4209, Unknown=0, NotChecked=0, Total=4692 [2018-02-04 02:42:08,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2018-02-04 02:42:08,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 385. [2018-02-04 02:42:08,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 385 states. [2018-02-04 02:42:08,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 444 transitions. [2018-02-04 02:42:08,433 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 444 transitions. Word has length 75 [2018-02-04 02:42:08,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:42:08,434 INFO L432 AbstractCegarLoop]: Abstraction has 385 states and 444 transitions. [2018-02-04 02:42:08,434 INFO L433 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-02-04 02:42:08,434 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 444 transitions. [2018-02-04 02:42:08,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-02-04 02:42:08,434 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:42:08,434 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:42:08,434 INFO L371 AbstractCegarLoop]: === Iteration 85 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:42:08,434 INFO L82 PathProgramCache]: Analyzing trace with hash 1463993298, now seen corresponding path program 11 times [2018-02-04 02:42:08,435 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:42:08,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:42:08,445 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:42:09,407 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 6 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:42:09,408 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:42:09,408 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2018-02-04 02:42:09,408 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:42:09,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:42:09,408 INFO L182 omatonBuilderFactory]: Interpolants [56136#true, 56137#false, 56138#(= |main_#t~malloc0.offset| 0), 56139#(= main_~a~0.offset 0), 56140#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 56141#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 56142#(and (not (= main_~p~0.base |main_#t~malloc5.base|)) (= |main_#t~malloc5.offset| 0) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 56143#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= main_~t~0.offset 0)), 56144#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 56145#(and (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem7.base|) (= (select |#valid| main_~a~0.base) 1) (= (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)) |main_#t~mem7.offset|) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~mem7.base|))), 56146#(and (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) main_~p~0.base)), 56147#(and (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| main_~p~0.base)) (not (= main_~p~0.base main_~a~0.base)) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) main_~p~0.base) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 2)), 56148#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~malloc12.base|)) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base |main_#t~malloc12.base|)) (not (= main_~p~0.base main_~a~0.base)) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) main_~p~0.base) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 2)), 56149#(and (= main_~p~0.offset (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (= (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4)) main_~p~0.base) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 2) (not (= main_~a~0.base main_~t~0.base))), 56150#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| main_~p~0.base)) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) main_~p~0.base) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 2)), 56151#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) 2) (not (= main_~a~0.base |main_#t~mem14.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem14.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset 0)), 56152#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= (select (select (store |#memory_int| main_~p~0.base (store (select |#memory_int| main_~p~0.base) main_~p~0.offset 2)) (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) 2) (not (= main_~p~0.base main_~a~0.base))), 56153#(and (= main_~a~0.offset |main_#t~malloc12.offset|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) 2) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~a~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~malloc12.base|))), 56154#(and (not (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset main_~t~0.offset) (= main_~a~0.offset 0) (= (select (select |#memory_int| (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) 2) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (not (= (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4)) main_~t~0.base))), 56155#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) 2) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= main_~a~0.offset (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 56156#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) 2) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem14.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= main_~a~0.offset |main_#t~mem14.offset|)), 56157#(or (and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= (select (select (store |#memory_int| main_~p~0.base (store (select |#memory_int| main_~p~0.base) main_~p~0.offset 2)) (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) 2) (not (= main_~p~0.base main_~a~0.base))) (and (= main_~a~0.offset 0) (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base))), 56158#(or (and (= main_~a~0.offset 0) (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 2)) (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) 2) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~a~0.base)))), 56159#(or (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) 2) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)) |main_#t~malloc12.offset|) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))) (and (= main_~a~0.offset |main_#t~malloc12.offset|) (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 2))), 56160#(or (and (= main_~a~0.offset main_~t~0.offset) (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 2)) (and (not (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~a~0.offset main_~t~0.offset) (= (select (select |#memory_int| (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) 2) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))))), 56161#(or (and (= (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) 2) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))) (and (= main_~a~0.offset (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 2))), 56162#(or (and (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 2) (= main_~a~0.offset |main_#t~mem14.offset|)) (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) 2) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset |main_#t~mem14.offset|) (= (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)) |main_#t~mem14.offset|))), 56163#(or (and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)) (and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (or (= (select (select (store |#memory_int| main_~p~0.base (store (select |#memory_int| main_~p~0.base) main_~p~0.offset 3)) (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) 2) (and (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))))) (= (select (select (store |#memory_int| main_~p~0.base (store (select |#memory_int| main_~p~0.base) main_~p~0.offset 3)) main_~a~0.base) main_~a~0.offset) 2)), 56164#(or (and (or (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) 2) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) 3)) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 2) (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 3)), 56165#(or (and (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)))) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 2)), 56166#(or (= |main_#t~mem16| 2) (and (or (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) 3) (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) |main_#t~mem16|))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))) (and (= |main_#t~mem16| (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3))), 56167#(and (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) 1)) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 56168#(and (not (= (select (select |#memory_int| |main_#t~mem18.base|) |main_#t~mem18.offset|) 1)) (= 0 |main_#t~mem18.offset|)), 56169#(and (not (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 1)) (not (= 1 main_~p~0.offset))), 56170#(and (not (= |main_#t~mem16| 1)) (not (= 1 main_~p~0.offset)))] [2018-02-04 02:42:09,408 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 6 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:42:09,409 INFO L409 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-02-04 02:42:09,409 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-02-04 02:42:09,409 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=1047, Unknown=0, NotChecked=0, Total=1190 [2018-02-04 02:42:09,409 INFO L87 Difference]: Start difference. First operand 385 states and 444 transitions. Second operand 35 states. [2018-02-04 02:42:12,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:42:12,125 INFO L93 Difference]: Finished difference Result 467 states and 530 transitions. [2018-02-04 02:42:12,125 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2018-02-04 02:42:12,125 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 76 [2018-02-04 02:42:12,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:42:12,127 INFO L225 Difference]: With dead ends: 467 [2018-02-04 02:42:12,127 INFO L226 Difference]: Without dead ends: 467 [2018-02-04 02:42:12,127 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1314 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=884, Invalid=4968, Unknown=0, NotChecked=0, Total=5852 [2018-02-04 02:42:12,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2018-02-04 02:42:12,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 395. [2018-02-04 02:42:12,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 395 states. [2018-02-04 02:42:12,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 454 transitions. [2018-02-04 02:42:12,129 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 454 transitions. Word has length 76 [2018-02-04 02:42:12,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:42:12,129 INFO L432 AbstractCegarLoop]: Abstraction has 395 states and 454 transitions. [2018-02-04 02:42:12,129 INFO L433 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-02-04 02:42:12,129 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 454 transitions. [2018-02-04 02:42:12,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-02-04 02:42:12,130 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:42:12,130 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2018-02-04 02:42:12,130 INFO L371 AbstractCegarLoop]: === Iteration 86 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:42:12,130 INFO L82 PathProgramCache]: Analyzing trace with hash 1756792252, now seen corresponding path program 12 times [2018-02-04 02:42:12,130 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:42:12,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:42:12,142 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:42:13,125 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 02:42:13,125 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:42:13,125 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2018-02-04 02:42:13,126 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:42:13,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:42:13,126 INFO L182 omatonBuilderFactory]: Interpolants [57152#(= 1 (select |#valid| main_~p~0.base)), 57117#true, 57118#false, 57119#(= |main_#t~malloc0.offset| 0), 57120#(= main_~a~0.offset 0), 57121#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 57122#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 57123#(and (not (= main_~p~0.base |main_#t~malloc5.base|)) (= |main_#t~malloc5.offset| 0) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| |main_#t~malloc5.base|) 1) (= main_~p~0.base main_~a~0.base)), 57124#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= main_~t~0.offset 0) (= (select |#valid| main_~t~0.base) 1)), 57125#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 1) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 57126#(and (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem7.base|) (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~mem7.base|)) (= (select |#valid| |main_#t~mem7.base|) 1) (= 0 |main_#t~mem7.offset|)), 57127#(and (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base)) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) main_~p~0.base)), 57128#(and (not (= main_~p~0.base |main_#t~malloc5.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~a~0.base)) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) main_~p~0.base) (not (= main_~a~0.base |main_#t~malloc5.base|))), 57129#(and (= (select |#valid| main_~a~0.base) 1) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~a~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (= (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4)) main_~p~0.base) (not (= main_~a~0.base main_~t~0.base))), 57130#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select |#valid| main_~a~0.base) 1) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 1 (select |#valid| main_~p~0.base)) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) main_~p~0.base)), 57131#(and (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~mem7.base|)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem7.base|))), 57132#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= (select |#valid| main_~a~0.base) 1) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~a~0.base))), 57133#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~malloc12.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~malloc12.base|)) (not (= main_~p~0.base main_~a~0.base))), 57134#(and (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~a~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (not (= (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4)) main_~t~0.base)) (not (= main_~a~0.base main_~t~0.base))), 57135#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= 1 (select |#valid| main_~p~0.base))), 57136#(and (not (= main_~a~0.base |main_#t~mem14.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem14.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0)), 57137#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~a~0.base))), 57138#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)) |main_#t~malloc12.offset|) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= |main_#t~malloc12.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 57139#(and (or (= main_~t~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (+ 0 4))))) (= 0 main_~a~0.offset) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (= (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4)) main_~t~0.offset)), 57140#(and (= (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))))), 57141#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (or (= |main_#t~mem14.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))))) (= (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)) |main_#t~mem14.offset|)), 57142#(or (and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)) (and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (or (and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (or (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))))) (and (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))))) (not (= main_~p~0.base main_~a~0.base)))), 57143#(or (and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) 3))) (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 3)), 57144#(or (and (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) 3))) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3)), 57145#(or (and (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) 3))) (and (= |main_#t~mem16| (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3))), 57146#(and (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) 3))), 57147#(and (or (= (select (select |#memory_int| |main_#t~mem18.base|) |main_#t~mem18.offset|) 3) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) (+ 0 4))))) (= 0 |main_#t~mem18.offset|)), 57148#(and (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3)) (= main_~p~0.offset 0)), 57149#(and (= main_~p~0.offset 0) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= |main_#t~mem16| 3))), 57150#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0)), 57151#(= 1 (select |#valid| |main_#t~mem18.base|))] [2018-02-04 02:42:13,126 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 02:42:13,126 INFO L409 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-02-04 02:42:13,126 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-02-04 02:42:13,126 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=1136, Unknown=0, NotChecked=0, Total=1260 [2018-02-04 02:42:13,127 INFO L87 Difference]: Start difference. First operand 395 states and 454 transitions. Second operand 36 states. [2018-02-04 02:42:15,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:42:15,807 INFO L93 Difference]: Finished difference Result 493 states and 562 transitions. [2018-02-04 02:42:15,808 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2018-02-04 02:42:15,808 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 76 [2018-02-04 02:42:15,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:42:15,809 INFO L225 Difference]: With dead ends: 493 [2018-02-04 02:42:15,809 INFO L226 Difference]: Without dead ends: 493 [2018-02-04 02:42:15,809 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1511 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=852, Invalid=5628, Unknown=0, NotChecked=0, Total=6480 [2018-02-04 02:42:15,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2018-02-04 02:42:15,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 420. [2018-02-04 02:42:15,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 420 states. [2018-02-04 02:42:15,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 483 transitions. [2018-02-04 02:42:15,811 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 483 transitions. Word has length 76 [2018-02-04 02:42:15,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:42:15,812 INFO L432 AbstractCegarLoop]: Abstraction has 420 states and 483 transitions. [2018-02-04 02:42:15,812 INFO L433 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-02-04 02:42:15,812 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 483 transitions. [2018-02-04 02:42:15,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-02-04 02:42:15,812 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:42:15,812 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2018-02-04 02:42:15,812 INFO L371 AbstractCegarLoop]: === Iteration 87 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:42:15,812 INFO L82 PathProgramCache]: Analyzing trace with hash 1756792253, now seen corresponding path program 8 times [2018-02-04 02:42:15,813 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:42:15,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:42:15,823 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:42:16,801 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 02:42:16,801 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:42:16,801 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2018-02-04 02:42:16,802 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:42:16,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:42:16,802 INFO L182 omatonBuilderFactory]: Interpolants [58176#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 1 (select |#valid| main_~p~0.base)) (<= 8 (select |#length| main_~p~0.base))), 58177#(and (not (= main_~a~0.base |main_#t~mem14.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem14.base|)) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 0)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))), 58178#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 0)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 58179#(and (= main_~a~0.offset |main_#t~malloc12.offset|) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~malloc12.base|)) (not (= main_~p~0.base main_~a~0.base))), 58180#(and (<= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 main_~a~0.offset) (= main_~a~0.offset main_~t~0.offset) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (not (= (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4)) main_~t~0.base))), 58181#(and (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))), 58182#(and (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem14.base|)) (= 0 main_~a~0.offset) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~a~0.offset |main_#t~mem14.offset|)), 58183#(or (and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))) (and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base))), 58184#(or (and (= 0 main_~a~0.offset) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 3)), 58185#(or (and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3)), 58186#(or (and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (and (= |main_#t~mem16| (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3))), 58187#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))), 58188#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem18.base|) (+ 0 4))) (= 0 |main_#t~mem18.offset|)), 58189#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))))) (<= (+ main_~p~0.offset 1) 0)), 58190#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))))), 58191#(and (<= 8 (select |#length| |main_#t~mem18.base|)) (= 0 |main_#t~mem18.offset|)), 58192#(and (= main_~p~0.offset 0) (<= 8 (select |#length| main_~p~0.base))), 58156#true, 58157#false, 58158#(= |main_#t~malloc0.offset| 0), 58159#(= main_~a~0.offset 0), 58160#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 58161#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 58162#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~p~0.base |main_#t~malloc5.base|)) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| |main_#t~malloc5.base|) 1) (= main_~p~0.base main_~a~0.base)), 58163#(and (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= (select |#valid| main_~t~0.base) 1)), 58164#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 58165#(and (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem7.base|) (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~mem7.base|)) (= (select |#valid| |main_#t~mem7.base|) 1) (= 0 |main_#t~mem7.offset|)), 58166#(and (= (select |#valid| main_~a~0.base) 1) (or (and (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (<= (+ main_~p~0.offset 1) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 58167#(and (= (select |#valid| main_~a~0.base) 1) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 58168#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~p~0.base |main_#t~malloc5.base|)) (= (select |#valid| main_~a~0.base) 1) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base |main_#t~malloc5.base|))), 58169#(and (= (select |#valid| main_~a~0.base) 1) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base main_~t~0.base))), 58170#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ 0 4))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1)), 58171#(and (= (select |#valid| main_~a~0.base) 1) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem7.base|) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~mem7.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem7.base|))), 58172#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= (select |#valid| main_~a~0.base) 1) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (not (= main_~p~0.base main_~a~0.base))), 58173#(and (<= 0 main_~p~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= (select |#valid| main_~a~0.base) 1) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (not (= main_~p~0.base main_~a~0.base))), 58174#(and (<= 0 main_~p~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 0)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~malloc12.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~malloc12.base|)) (not (= main_~p~0.base main_~a~0.base))), 58175#(and (<= 0 main_~p~0.offset) (not (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) 0)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~a~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (not (= (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4)) main_~t~0.base)) (not (= main_~a~0.base main_~t~0.base)))] [2018-02-04 02:42:16,802 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 02:42:16,802 INFO L409 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-02-04 02:42:16,803 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-02-04 02:42:16,803 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=1212, Unknown=0, NotChecked=0, Total=1332 [2018-02-04 02:42:16,803 INFO L87 Difference]: Start difference. First operand 420 states and 483 transitions. Second operand 37 states. [2018-02-04 02:42:19,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:42:19,419 INFO L93 Difference]: Finished difference Result 510 states and 579 transitions. [2018-02-04 02:42:19,420 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-02-04 02:42:19,420 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 76 [2018-02-04 02:42:19,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:42:19,421 INFO L225 Difference]: With dead ends: 510 [2018-02-04 02:42:19,421 INFO L226 Difference]: Without dead ends: 509 [2018-02-04 02:42:19,421 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1490 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=700, Invalid=5620, Unknown=0, NotChecked=0, Total=6320 [2018-02-04 02:42:19,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2018-02-04 02:42:19,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 425. [2018-02-04 02:42:19,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 425 states. [2018-02-04 02:42:19,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 488 transitions. [2018-02-04 02:42:19,423 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 488 transitions. Word has length 76 [2018-02-04 02:42:19,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:42:19,423 INFO L432 AbstractCegarLoop]: Abstraction has 425 states and 488 transitions. [2018-02-04 02:42:19,423 INFO L433 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-02-04 02:42:19,424 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 488 transitions. [2018-02-04 02:42:19,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-02-04 02:42:19,424 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:42:19,424 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:42:19,424 INFO L371 AbstractCegarLoop]: === Iteration 88 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:42:19,424 INFO L82 PathProgramCache]: Analyzing trace with hash 180933138, now seen corresponding path program 13 times [2018-02-04 02:42:19,424 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:42:19,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:42:19,436 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:42:20,337 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 02:42:20,337 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:42:20,337 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2018-02-04 02:42:20,338 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:42:20,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:42:20,338 INFO L182 omatonBuilderFactory]: Interpolants [59214#true, 59215#false, 59216#(= |main_#t~malloc0.offset| 0), 59217#(= main_~a~0.offset 0), 59218#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 59219#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 59220#(and (not (= main_~p~0.base |main_#t~malloc5.base|)) (= |main_#t~malloc5.offset| 0) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| |main_#t~malloc5.base|) 1) (= main_~p~0.base main_~a~0.base)), 59221#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= main_~t~0.offset 0) (= (select |#valid| main_~t~0.base) 1)), 59222#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 59223#(and (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem7.base|) (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~mem7.base|)) (= (select |#valid| |main_#t~mem7.base|) 1) (= 0 |main_#t~mem7.offset|)), 59224#(and (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (or (<= (+ main_~p~0.offset 1) 0) (= main_~p~0.offset 0)) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base)) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) main_~p~0.base)), 59225#(and (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base)) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) main_~p~0.base)), 59226#(and (not (= main_~p~0.base |main_#t~malloc5.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~a~0.base)) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) main_~p~0.base) (not (= main_~a~0.base |main_#t~malloc5.base|))), 59227#(and (= (select |#valid| main_~a~0.base) 1) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (= (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4)) main_~p~0.base) (not (= main_~a~0.base main_~t~0.base))), 59228#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select |#valid| main_~a~0.base) 1) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) main_~p~0.base)), 59229#(and (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~mem7.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem7.base|))), 59230#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= (select |#valid| main_~a~0.base) 1) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (not (= main_~p~0.base main_~a~0.base))), 59231#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~malloc5.base|)) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base |main_#t~malloc5.base|))), 59232#(and (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~a~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (not (= (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4)) main_~t~0.base)) (not (= main_~a~0.base main_~t~0.base))), 59233#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= 1 (select |#valid| main_~p~0.base))), 59234#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~mem7.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem7.base|))), 59235#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~a~0.base))), 59236#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)) |main_#t~malloc12.offset|) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= |main_#t~malloc12.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 59237#(and (or (= main_~t~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (+ 0 4))))) (= main_~a~0.offset main_~t~0.offset) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (= (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4)) main_~t~0.offset)), 59238#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))))), 59239#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (or (= |main_#t~mem14.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))))) (= main_~a~0.offset |main_#t~mem14.offset|) (= (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)) |main_#t~mem14.offset|)), 59240#(or (and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)) (and (or (and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (or (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))))) (and (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))))) (= 0 main_~a~0.offset) (not (= main_~p~0.base main_~a~0.base)))), 59241#(or (and (= 0 main_~a~0.offset) (or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) 3))) (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 3)), 59242#(or (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3) (and (= main_~p~0.offset 0) (or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) 3)))), 59243#(or (and (= main_~p~0.offset 0) (or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) 3))) (and (= |main_#t~mem16| (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3))), 59244#(and (= main_~p~0.offset 0) (or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) 3))), 59245#(or (= (select (select |#memory_int| |main_#t~mem18.base|) |main_#t~mem18.offset|) 3) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) (+ 0 4)))) (= 0 |main_#t~mem18.offset|))), 59246#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (<= (+ main_~p~0.offset 1) 0) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3)), 59247#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= |main_#t~mem16| 3)), 59248#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))), 59249#(= 1 (select |#valid| |main_#t~mem18.base|)), 59250#(= 1 (select |#valid| main_~p~0.base))] [2018-02-04 02:42:20,338 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 02:42:20,338 INFO L409 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-02-04 02:42:20,338 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-02-04 02:42:20,339 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=1202, Unknown=0, NotChecked=0, Total=1332 [2018-02-04 02:42:20,339 INFO L87 Difference]: Start difference. First operand 425 states and 488 transitions. Second operand 37 states. [2018-02-04 02:42:23,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:42:23,282 INFO L93 Difference]: Finished difference Result 539 states and 616 transitions. [2018-02-04 02:42:23,283 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2018-02-04 02:42:23,283 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 76 [2018-02-04 02:42:23,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:42:23,284 INFO L225 Difference]: With dead ends: 539 [2018-02-04 02:42:23,284 INFO L226 Difference]: Without dead ends: 539 [2018-02-04 02:42:23,284 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1751 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=917, Invalid=6223, Unknown=0, NotChecked=0, Total=7140 [2018-02-04 02:42:23,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 539 states. [2018-02-04 02:42:23,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 539 to 450. [2018-02-04 02:42:23,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 450 states. [2018-02-04 02:42:23,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 517 transitions. [2018-02-04 02:42:23,286 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 517 transitions. Word has length 76 [2018-02-04 02:42:23,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:42:23,286 INFO L432 AbstractCegarLoop]: Abstraction has 450 states and 517 transitions. [2018-02-04 02:42:23,286 INFO L433 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-02-04 02:42:23,287 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 517 transitions. [2018-02-04 02:42:23,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-02-04 02:42:23,287 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:42:23,287 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:42:23,287 INFO L371 AbstractCegarLoop]: === Iteration 89 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:42:23,287 INFO L82 PathProgramCache]: Analyzing trace with hash 180933139, now seen corresponding path program 9 times [2018-02-04 02:42:23,287 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:42:23,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:42:23,299 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:42:24,472 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 02:42:24,472 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:42:24,472 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2018-02-04 02:42:24,472 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:42:24,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:42:24,473 INFO L182 omatonBuilderFactory]: Interpolants [60352#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= (select |#valid| main_~a~0.base) 1) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (not (= main_~p~0.base main_~a~0.base))), 60353#(and (<= 0 main_~p~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= (select |#valid| main_~a~0.base) 1) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (not (= main_~p~0.base main_~a~0.base))), 60354#(and (<= 0 main_~p~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~malloc5.base|)) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base |main_#t~malloc5.base|))), 60355#(and (<= 0 main_~p~0.offset) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~a~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (not (= (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4)) main_~t~0.base)) (not (= main_~a~0.base main_~t~0.base))), 60356#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (not (= (select |#valid| main_~p~0.base) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (<= 8 (select |#length| main_~p~0.base))), 60357#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~mem7.base|)) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem7.base|))), 60358#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 60359#(and (= main_~a~0.offset |main_#t~malloc12.offset|) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 60360#(and (<= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 main_~a~0.offset) (= main_~a~0.offset main_~t~0.offset) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4)))), 60361#(and (= 0 main_~a~0.offset) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))), 60362#(and (= 0 main_~a~0.offset) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~a~0.offset |main_#t~mem14.offset|)), 60363#(or (and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)) (and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (or (and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (and (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))))) (not (= main_~p~0.base main_~a~0.base)))), 60364#(or (and (or (and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) 3)) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 3)), 60365#(or (and (or (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) 3) (and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3)), 60366#(or (and (or (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) 3) (and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))) (and (= |main_#t~mem16| (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3))), 60367#(and (or (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) 3) (and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 60368#(and (= 0 |main_#t~mem18.offset|) (or (and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem18.base|) (+ 0 4)))) (= (select (select |#memory_int| |main_#t~mem18.base|) |main_#t~mem18.offset|) 3))), 60369#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))))) (<= (+ main_~p~0.offset 1) 0) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3)), 60370#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))))) (= |main_#t~mem16| 3)), 60371#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))))), 60372#(and (<= 8 (select |#length| |main_#t~mem18.base|)) (= 0 |main_#t~mem18.offset|)), 60373#(and (= main_~p~0.offset 0) (<= 8 (select |#length| main_~p~0.base))), 60336#true, 60337#false, 60338#(= |main_#t~malloc0.offset| 0), 60339#(= main_~a~0.offset 0), 60340#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 60341#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 60342#(and (not (= main_~p~0.base |main_#t~malloc5.base|)) (= |main_#t~malloc5.offset| 0) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| |main_#t~malloc5.base|) 1) (= main_~p~0.base main_~a~0.base)), 60343#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= main_~t~0.offset 0) (= (select |#valid| main_~t~0.base) 1)), 60344#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 60345#(and (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem7.base|) (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~mem7.base|)) (= (select |#valid| |main_#t~mem7.base|) 1) (= 0 |main_#t~mem7.offset|)), 60346#(or (<= (+ main_~p~0.offset 1) 0) (and (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base)) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) main_~p~0.base))), 60347#(and (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base)) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) main_~p~0.base)), 60348#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~p~0.base |main_#t~malloc5.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~a~0.base)) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) main_~p~0.base) (not (= main_~a~0.base |main_#t~malloc5.base|))), 60349#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (= (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4)) main_~p~0.base) (not (= main_~a~0.base main_~t~0.base))), 60350#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ 0 4))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) main_~p~0.base)), 60351#(and (= (select |#valid| main_~a~0.base) 1) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem7.base|) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~mem7.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem7.base|)))] [2018-02-04 02:42:24,473 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 02:42:24,473 INFO L409 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-02-04 02:42:24,473 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-02-04 02:42:24,473 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=1280, Unknown=0, NotChecked=0, Total=1406 [2018-02-04 02:42:24,473 INFO L87 Difference]: Start difference. First operand 450 states and 517 transitions. Second operand 38 states. [2018-02-04 02:42:27,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:42:27,871 INFO L93 Difference]: Finished difference Result 551 states and 628 transitions. [2018-02-04 02:42:27,871 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2018-02-04 02:42:27,871 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 76 [2018-02-04 02:42:27,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:42:27,872 INFO L225 Difference]: With dead ends: 551 [2018-02-04 02:42:27,872 INFO L226 Difference]: Without dead ends: 550 [2018-02-04 02:42:27,872 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1943 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=853, Invalid=6979, Unknown=0, NotChecked=0, Total=7832 [2018-02-04 02:42:27,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2018-02-04 02:42:27,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 436. [2018-02-04 02:42:27,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 436 states. [2018-02-04 02:42:27,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 501 transitions. [2018-02-04 02:42:27,874 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 501 transitions. Word has length 76 [2018-02-04 02:42:27,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:42:27,874 INFO L432 AbstractCegarLoop]: Abstraction has 436 states and 501 transitions. [2018-02-04 02:42:27,875 INFO L433 AbstractCegarLoop]: Interpolant automaton has 38 states. [2018-02-04 02:42:27,875 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 501 transitions. [2018-02-04 02:42:27,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-02-04 02:42:27,875 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:42:27,875 INFO L351 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:42:27,875 INFO L371 AbstractCegarLoop]: === Iteration 90 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:42:27,875 INFO L82 PathProgramCache]: Analyzing trace with hash -1536499844, now seen corresponding path program 10 times [2018-02-04 02:42:27,876 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:42:27,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:42:27,889 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:42:28,781 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:42:28,781 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:42:28,781 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2018-02-04 02:42:28,781 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:42:28,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:42:28,782 INFO L182 omatonBuilderFactory]: Interpolants [61463#true, 61464#false, 61465#(= |main_#t~malloc0.offset| 0), 61466#(= main_~a~0.offset 0), 61467#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 61468#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 61469#(and (not (= main_~p~0.base |main_#t~malloc5.base|)) (= |main_#t~malloc5.offset| 0) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| |main_#t~malloc5.base|) 1) (= main_~p~0.base main_~a~0.base)), 61470#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= main_~t~0.offset 0) (= (select |#valid| main_~t~0.base) 1)), 61471#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 1) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 61472#(and (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem7.base|) (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~mem7.base|)) (= (select |#valid| |main_#t~mem7.base|) 1) (= 0 |main_#t~mem7.offset|)), 61473#(and (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base)) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) main_~p~0.base)), 61474#(and (not (= main_~p~0.base |main_#t~malloc5.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~a~0.base)) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) main_~p~0.base) (not (= main_~a~0.base |main_#t~malloc5.base|))), 61475#(and (= (select |#valid| main_~a~0.base) 1) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~a~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (= (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4)) main_~p~0.base) (not (= main_~a~0.base main_~t~0.base))), 61476#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select |#valid| main_~a~0.base) 1) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) main_~p~0.base)), 61477#(and (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~mem7.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem7.base|))), 61478#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= (select |#valid| main_~a~0.base) 1) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (not (= main_~p~0.base main_~a~0.base))), 61479#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~malloc5.base|)) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base |main_#t~malloc5.base|))), 61480#(and (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~a~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (not (= (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4)) main_~t~0.base)) (not (= main_~a~0.base main_~t~0.base))), 61481#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= 1 (select |#valid| main_~p~0.base))), 61482#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~mem7.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem7.base|))), 61483#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~a~0.base))), 61484#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)) |main_#t~malloc5.offset|) (= main_~a~0.offset |main_#t~malloc5.offset|) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= |main_#t~malloc5.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (not (= main_~p~0.base main_~a~0.base))), 61485#(and (or (= main_~t~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (+ 0 4))))) (= main_~a~0.offset main_~t~0.offset) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (= (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4)) main_~t~0.offset)), 61486#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))))), 61487#(and (= (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)) |main_#t~mem7.offset|) (= main_~a~0.offset |main_#t~mem7.offset|) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))))), 61488#(or (and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)) (and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (or (and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (or (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))))) (and (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))))) (not (= main_~p~0.base main_~a~0.base)))), 61489#(or (and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) 3))) (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 3)), 61490#(or (and (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) 3))) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3)), 61491#(or (and (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) 3))) (and (= |main_#t~mem16| (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3))), 61492#(and (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) 3))), 61493#(and (or (= (select (select |#memory_int| |main_#t~mem18.base|) |main_#t~mem18.offset|) 3) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) (+ 0 4))))) (= 0 |main_#t~mem18.offset|)), 61494#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (<= (+ main_~p~0.offset 1) 0) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3)), 61495#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= |main_#t~mem16| 3)), 61496#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))), 61497#(= 1 (select |#valid| |main_#t~mem18.base|)), 61498#(= 1 (select |#valid| main_~p~0.base))] [2018-02-04 02:42:28,782 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:42:28,782 INFO L409 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-02-04 02:42:28,782 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-02-04 02:42:28,782 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=1136, Unknown=0, NotChecked=0, Total=1260 [2018-02-04 02:42:28,782 INFO L87 Difference]: Start difference. First operand 436 states and 501 transitions. Second operand 36 states. [2018-02-04 02:42:31,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:42:31,615 INFO L93 Difference]: Finished difference Result 540 states and 617 transitions. [2018-02-04 02:42:31,615 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-02-04 02:42:31,615 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 76 [2018-02-04 02:42:31,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:42:31,615 INFO L225 Difference]: With dead ends: 540 [2018-02-04 02:42:31,616 INFO L226 Difference]: Without dead ends: 540 [2018-02-04 02:42:31,616 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1574 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=873, Invalid=5769, Unknown=0, NotChecked=0, Total=6642 [2018-02-04 02:42:31,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2018-02-04 02:42:31,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 465. [2018-02-04 02:42:31,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 465 states. [2018-02-04 02:42:31,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 536 transitions. [2018-02-04 02:42:31,618 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 536 transitions. Word has length 76 [2018-02-04 02:42:31,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:42:31,618 INFO L432 AbstractCegarLoop]: Abstraction has 465 states and 536 transitions. [2018-02-04 02:42:31,618 INFO L433 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-02-04 02:42:31,619 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 536 transitions. [2018-02-04 02:42:31,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-02-04 02:42:31,619 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:42:31,619 INFO L351 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:42:31,619 INFO L371 AbstractCegarLoop]: === Iteration 91 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:42:31,619 INFO L82 PathProgramCache]: Analyzing trace with hash -1536499843, now seen corresponding path program 7 times [2018-02-04 02:42:31,619 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:42:31,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:42:31,630 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:42:32,704 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:42:32,704 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:42:32,704 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2018-02-04 02:42:32,704 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:42:32,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:42:32,705 INFO L182 omatonBuilderFactory]: Interpolants [62596#true, 62597#false, 62598#(= |main_#t~malloc0.offset| 0), 62599#(= main_~a~0.offset 0), 62600#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 62601#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 62602#(and (not (= main_~p~0.base |main_#t~malloc5.base|)) (= |main_#t~malloc5.offset| 0) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| |main_#t~malloc5.base|) 1) (= main_~p~0.base main_~a~0.base)), 62603#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= main_~t~0.offset 0) (= (select |#valid| main_~t~0.base) 1)), 62604#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 1) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 62605#(and (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem7.base|) (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~mem7.base|)) (= (select |#valid| |main_#t~mem7.base|) 1) (= 0 |main_#t~mem7.offset|)), 62606#(and (or (<= (+ main_~p~0.offset 1) 0) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) main_~p~0.base))) (= (select |#valid| main_~a~0.base) 1) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~a~0.base))), 62607#(and (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base)) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) main_~p~0.base)), 62608#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~p~0.base |main_#t~malloc5.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~a~0.base)) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) main_~p~0.base) (not (= main_~a~0.base |main_#t~malloc5.base|))), 62609#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (= (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4)) main_~p~0.base) (not (= main_~a~0.base main_~t~0.base))), 62610#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ 0 4))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) main_~p~0.base)), 62611#(and (= (select |#valid| main_~a~0.base) 1) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem7.base|) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~mem7.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem7.base|))), 62612#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= (select |#valid| main_~a~0.base) 1) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (not (= main_~p~0.base main_~a~0.base))), 62613#(and (<= 0 main_~p~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= (select |#valid| main_~a~0.base) 1) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (not (= main_~p~0.base main_~a~0.base))), 62614#(and (<= 0 main_~p~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~malloc5.base|)) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base |main_#t~malloc5.base|))), 62615#(and (<= 0 main_~p~0.offset) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~a~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (not (= (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4)) main_~t~0.base)) (not (= main_~a~0.base main_~t~0.base))), 62616#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (not (= (select |#valid| main_~p~0.base) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (<= 8 (select |#length| main_~p~0.base))), 62617#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~mem7.base|)) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem7.base|))), 62618#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 62619#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)) |main_#t~malloc5.offset|) (= main_~a~0.offset |main_#t~malloc5.offset|) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 62620#(and (<= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~a~0.offset main_~t~0.offset) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (= (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4)) main_~t~0.offset)), 62621#(and (= 0 main_~a~0.offset) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))), 62622#(and (= 0 main_~a~0.offset) (= main_~a~0.offset |main_#t~mem7.offset|) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))), 62623#(or (and (= 0 main_~a~0.offset) (or (and (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))))) (not (= main_~p~0.base main_~a~0.base))) (and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base))), 62624#(or (and (or (and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) 3)) (= 0 main_~a~0.offset)) (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 3)), 62625#(or (and (or (and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) 3)) (= main_~p~0.offset 0)) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3)), 62626#(or (and (or (and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) 3)) (= main_~p~0.offset 0)) (and (= |main_#t~mem16| (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3))), 62627#(and (or (and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) 3)) (= main_~p~0.offset 0)), 62628#(or (= (select (select |#memory_int| |main_#t~mem18.base|) |main_#t~mem18.offset|) 3) (and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem18.base|) (+ 0 4))) (= 0 |main_#t~mem18.offset|))), 62629#(or (and (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))))) (<= (+ main_~p~0.offset 1) 0) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3)), 62630#(or (and (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))))) (= |main_#t~mem16| 3)), 62631#(and (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))))), 62632#(and (<= 8 (select |#length| |main_#t~mem18.base|)) (= 0 |main_#t~mem18.offset|)), 62633#(and (= main_~p~0.offset 0) (<= 8 (select |#length| main_~p~0.base)))] [2018-02-04 02:42:32,705 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:42:32,705 INFO L409 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-02-04 02:42:32,705 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-02-04 02:42:32,705 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=1279, Unknown=0, NotChecked=0, Total=1406 [2018-02-04 02:42:32,705 INFO L87 Difference]: Start difference. First operand 465 states and 536 transitions. Second operand 38 states. [2018-02-04 02:42:35,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:42:35,768 INFO L93 Difference]: Finished difference Result 557 states and 634 transitions. [2018-02-04 02:42:35,768 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2018-02-04 02:42:35,768 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 76 [2018-02-04 02:42:35,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:42:35,768 INFO L225 Difference]: With dead ends: 557 [2018-02-04 02:42:35,769 INFO L226 Difference]: Without dead ends: 556 [2018-02-04 02:42:35,769 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1726 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=788, Invalid=6352, Unknown=0, NotChecked=0, Total=7140 [2018-02-04 02:42:35,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 556 states. [2018-02-04 02:42:35,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 556 to 451. [2018-02-04 02:42:35,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 451 states. [2018-02-04 02:42:35,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 520 transitions. [2018-02-04 02:42:35,771 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 520 transitions. Word has length 76 [2018-02-04 02:42:35,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:42:35,771 INFO L432 AbstractCegarLoop]: Abstraction has 451 states and 520 transitions. [2018-02-04 02:42:35,771 INFO L433 AbstractCegarLoop]: Interpolant automaton has 38 states. [2018-02-04 02:42:35,771 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 520 transitions. [2018-02-04 02:42:35,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-02-04 02:42:35,772 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:42:35,772 INFO L351 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 4, 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] [2018-02-04 02:42:35,772 INFO L371 AbstractCegarLoop]: === Iteration 92 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:42:35,772 INFO L82 PathProgramCache]: Analyzing trace with hash 1262515692, now seen corresponding path program 10 times [2018-02-04 02:42:35,772 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:42:35,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:42:35,781 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:42:36,759 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 14 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:42:36,759 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:42:36,760 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2018-02-04 02:42:36,760 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:42:36,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:42:36,760 INFO L182 omatonBuilderFactory]: Interpolants [63744#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base main_~a~0.base)), 63745#(and (= (select |#valid| main_~a~0.base) 1) (not (= main_~a~0.base |main_#t~mem14.base|)) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem14.base|) (= 0 |main_#t~mem14.offset|) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0)), 63746#(and (= (select |#valid| main_~a~0.base) 1) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 63747#(and (= (select |#valid| main_~a~0.base) 1) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| main_~p~0.base)) (not (= main_~p~0.base main_~a~0.base))), 63748#(and (= 1 (select |#valid| |main_#t~malloc12.base|)) (= (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)) 0) (= 0 |main_#t~malloc12.offset|) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~malloc12.base|)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base |main_#t~malloc12.base|)) (not (= main_~p~0.base main_~a~0.base))), 63749#(and (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| main_~t~0.base)) (not (= main_~a~0.base main_~t~0.base))), 63750#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)) 0) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 1 (select |#valid| main_~p~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 63751#(and (not (= main_~a~0.base |main_#t~mem14.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem14.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem14.base|) (= 0 |main_#t~mem14.offset|) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 1 (select |#valid| |main_#t~mem14.base|))), 63752#(and (or (<= (+ main_~p~0.offset 1) 0) (and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~p~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 1 (select |#valid| main_~p~0.base)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~a~0.base))), 63753#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 1 (select |#valid| main_~p~0.base)) (not (= main_~p~0.base main_~a~0.base))), 63754#(and (= main_~a~0.offset |main_#t~malloc12.offset|) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base |main_#t~malloc12.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~malloc12.base|)) (not (= main_~p~0.base main_~a~0.base))), 63755#(and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~a~0.offset main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (not (= (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4)) main_~t~0.base))), 63756#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))), 63757#(and (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem14.base|)) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~a~0.offset |main_#t~mem14.offset|) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4)) |main_#t~mem14.base|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem14.base|)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4)) |main_#t~mem14.offset|)), 63758#(and (= 0 main_~a~0.offset) (or (and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)) (and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))))), 63759#(and (or (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) 3) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 3)) (= 0 main_~a~0.offset)), 63760#(and (= main_~p~0.offset 0) (or (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4))) 3) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))))), 63761#(and (or (and (= |main_#t~mem19| (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3)) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4))) 3) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))))) (= main_~p~0.offset 0)), 63762#(and (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4))) 3) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))), 63763#(and (= 0 |main_#t~mem21.offset|) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem21.base|) (+ 0 4))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) (+ 0 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) (+ 0 4))) (+ 0 4))) 3)), 63764#(and (= main_~p~0.offset 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) 3) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 63765#(and (= 0 |main_#t~mem21.offset|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) (+ 0 4))) (select (select |#memory_$Pointer$.offset| |main_#t~mem21.base|) (+ 0 4))) 3)), 63766#(or (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) 3) (= main_~p~0.offset 0)) (<= (+ main_~p~0.offset 1) 0)), 63767#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) 3) (= main_~p~0.offset 0)), 63768#(= (select (select |#memory_int| |main_#t~mem21.base|) |main_#t~mem21.offset|) 3), 63769#(= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3), 63770#(= |main_#t~mem19| 3), 63736#true, 63737#false, 63738#(= |main_#t~malloc0.offset| 0), 63739#(= main_~a~0.offset 0), 63740#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 63741#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 63742#(and (= 0 |main_#t~malloc12.offset|) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base |main_#t~malloc12.base|)) (= main_~p~0.base main_~a~0.base)), 63743#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= main_~t~0.offset 0))] [2018-02-04 02:42:36,760 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 14 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:42:36,760 INFO L409 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-02-04 02:42:36,760 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-02-04 02:42:36,761 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=1087, Unknown=0, NotChecked=0, Total=1190 [2018-02-04 02:42:36,761 INFO L87 Difference]: Start difference. First operand 451 states and 520 transitions. Second operand 35 states. [2018-02-04 02:42:38,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:42:38,471 INFO L93 Difference]: Finished difference Result 505 states and 573 transitions. [2018-02-04 02:42:38,471 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-02-04 02:42:38,471 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 78 [2018-02-04 02:42:38,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:42:38,472 INFO L225 Difference]: With dead ends: 505 [2018-02-04 02:42:38,472 INFO L226 Difference]: Without dead ends: 505 [2018-02-04 02:42:38,472 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1033 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=478, Invalid=4078, Unknown=0, NotChecked=0, Total=4556 [2018-02-04 02:42:38,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2018-02-04 02:42:38,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 464. [2018-02-04 02:42:38,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 464 states. [2018-02-04 02:42:38,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 533 transitions. [2018-02-04 02:42:38,474 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 533 transitions. Word has length 78 [2018-02-04 02:42:38,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:42:38,474 INFO L432 AbstractCegarLoop]: Abstraction has 464 states and 533 transitions. [2018-02-04 02:42:38,475 INFO L433 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-02-04 02:42:38,475 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 533 transitions. [2018-02-04 02:42:38,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-02-04 02:42:38,475 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:42:38,475 INFO L351 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:42:38,475 INFO L371 AbstractCegarLoop]: === Iteration 93 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:42:38,475 INFO L82 PathProgramCache]: Analyzing trace with hash 1382400095, now seen corresponding path program 7 times [2018-02-04 02:42:38,475 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:42:38,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:42:38,483 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:42:39,488 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 10 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:42:39,488 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:42:39,488 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2018-02-04 02:42:39,488 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:42:39,489 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 02:42:39,489 INFO L182 omatonBuilderFactory]: Interpolants [64832#(and (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4))) 3) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))), 64833#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem18.base|) (+ 0 4))) (= 0 |main_#t~mem18.offset|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) (+ 0 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) (+ 0 4))) (+ 0 4))) 3)), 64834#(and (= main_~p~0.offset 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) 3) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 64835#(and (= 0 |main_#t~mem21.offset|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) (+ 0 4))) (select (select |#memory_$Pointer$.offset| |main_#t~mem21.base|) (+ 0 4))) 3)), 64836#(or (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) 3) (= main_~p~0.offset 0)) (<= (+ main_~p~0.offset 1) 0)), 64837#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) 3) (= main_~p~0.offset 0)), 64838#(= (select (select |#memory_int| |main_#t~mem21.base|) |main_#t~mem21.offset|) 3), 64839#(= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3), 64840#(= |main_#t~mem19| 3), 64806#true, 64807#false, 64808#(= |main_#t~malloc0.offset| 0), 64809#(= main_~a~0.offset 0), 64810#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 64811#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 64812#(and (not (= main_~p~0.base |main_#t~malloc5.base|)) (= |main_#t~malloc5.offset| 0) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 64813#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= main_~t~0.offset 0)), 64814#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 64815#(and (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem7.base|) (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~mem7.base|)) (= 0 |main_#t~mem7.offset|)), 64816#(and (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 64817#(and (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 64818#(and (= (select |#valid| |main_#t~malloc12.base|) 1) (= 0 |main_#t~malloc12.offset|) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~malloc12.base|)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base |main_#t~malloc12.base|)) (not (= main_~p~0.base main_~a~0.base))), 64819#(and (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base main_~t~0.base)) (= (select |#valid| main_~t~0.base) 1)), 64820#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 1) (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| main_~p~0.base))), 64821#(and (not (= main_~a~0.base |main_#t~mem14.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem14.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem14.base|) (= 0 |main_#t~mem14.offset|) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| |main_#t~mem14.base|) 1)), 64822#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (or (and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~p~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1)) (<= (+ main_~p~0.offset 1) 0)) (not (= main_~p~0.base main_~a~0.base))), 64823#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 64824#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base |main_#t~malloc12.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~malloc12.base|)) (not (= main_~p~0.base main_~a~0.base)) (or (= main_~a~0.offset |main_#t~malloc12.offset|) (not (= main_~a~0.base |main_#t~malloc12.base|)))), 64825#(and (or (= main_~a~0.offset main_~t~0.offset) (not (= main_~a~0.base main_~t~0.base))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (not (= (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4)) main_~t~0.base))), 64826#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (or (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~a~0.offset (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))))), 64827#(and (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem14.base|)) (= 0 main_~a~0.offset) (or (not (= main_~a~0.base |main_#t~mem14.base|)) (= main_~a~0.offset |main_#t~mem14.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4)) |main_#t~mem14.base|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem14.base|)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4)) |main_#t~mem14.offset|)), 64828#(and (= 0 main_~a~0.offset) (or (and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)) (and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))))), 64829#(and (or (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) 3) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 3)) (= 0 main_~a~0.offset)), 64830#(and (= main_~p~0.offset 0) (or (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4))) 3) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))))), 64831#(and (= main_~p~0.offset 0) (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4))) 3) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (and (= |main_#t~mem16| (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3))))] [2018-02-04 02:42:39,489 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 10 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:42:39,489 INFO L409 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-02-04 02:42:39,489 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-02-04 02:42:39,489 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=1087, Unknown=0, NotChecked=0, Total=1190 [2018-02-04 02:42:39,489 INFO L87 Difference]: Start difference. First operand 464 states and 533 transitions. Second operand 35 states. [2018-02-04 02:42:41,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:42:41,370 INFO L93 Difference]: Finished difference Result 506 states and 574 transitions. [2018-02-04 02:42:41,370 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-02-04 02:42:41,370 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 78 [2018-02-04 02:42:41,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:42:41,371 INFO L225 Difference]: With dead ends: 506 [2018-02-04 02:42:41,371 INFO L226 Difference]: Without dead ends: 506 [2018-02-04 02:42:41,371 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1037 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=478, Invalid=4078, Unknown=0, NotChecked=0, Total=4556 [2018-02-04 02:42:41,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 506 states. [2018-02-04 02:42:41,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 506 to 459. [2018-02-04 02:42:41,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 459 states. [2018-02-04 02:42:41,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 528 transitions. [2018-02-04 02:42:41,374 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 528 transitions. Word has length 78 [2018-02-04 02:42:41,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:42:41,374 INFO L432 AbstractCegarLoop]: Abstraction has 459 states and 528 transitions. [2018-02-04 02:42:41,374 INFO L433 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-02-04 02:42:41,374 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 528 transitions. [2018-02-04 02:42:41,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-02-04 02:42:41,374 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:42:41,374 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:42:41,374 INFO L371 AbstractCegarLoop]: === Iteration 94 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:42:41,375 INFO L82 PathProgramCache]: Analyzing trace with hash -1956826740, now seen corresponding path program 8 times [2018-02-04 02:42:41,375 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:42:41,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:42:41,382 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:42:42,343 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 6 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:42:42,343 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:42:42,344 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2018-02-04 02:42:42,344 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:42:42,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:42:42,344 INFO L182 omatonBuilderFactory]: Interpolants [65873#false, 65872#true, 65875#(= main_~a~0.offset 0), 65874#(= |main_#t~malloc0.offset| 0), 65877#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 65876#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 65879#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= 1 (select |#valid| main_~t~0.base)) (= main_~t~0.offset 0)), 65878#(and (not (= main_~p~0.base |main_#t~malloc5.base|)) (= |main_#t~malloc5.offset| 0) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 1 (select |#valid| |main_#t~malloc5.base|)) (= main_~p~0.base main_~a~0.base)), 65881#(and (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem7.base|) (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~mem7.base|)) (= 0 |main_#t~mem7.offset|) (= 1 (select |#valid| |main_#t~mem7.base|))), 65880#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 65883#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~p~0.base |main_#t~malloc5.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 1 (select |#valid| |main_#t~malloc5.base|)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base |main_#t~malloc5.base|))), 65882#(and (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 65885#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| main_~p~0.base))), 65884#(and (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| main_~t~0.base)) (not (= main_~a~0.base main_~t~0.base))), 65887#(and (or (<= (+ main_~p~0.offset 1) 0) (and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~p~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 1 (select |#valid| main_~p~0.base)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~a~0.base))), 65886#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem7.base|) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~mem7.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 |main_#t~mem7.offset|) (= 1 (select |#valid| |main_#t~mem7.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem7.base|))), 65889#(and (= main_~a~0.offset |main_#t~malloc12.offset|) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base |main_#t~malloc12.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~malloc12.base|)) (not (= main_~p~0.base main_~a~0.base))), 65888#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 1 (select |#valid| main_~p~0.base)) (not (= main_~p~0.base main_~a~0.base))), 65891#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))), 65890#(and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~a~0.offset main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (not (= (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4)) main_~t~0.base))), 65893#(and (= 0 main_~a~0.offset) (or (and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)) (and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))))), 65892#(and (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem14.base|)) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~a~0.offset |main_#t~mem14.offset|) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4)) |main_#t~mem14.base|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem14.base|)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4)) |main_#t~mem14.offset|)), 65895#(and (= main_~p~0.offset 0) (or (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4))) 3) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))))), 65894#(and (or (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) 3) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 3)) (= 0 main_~a~0.offset)), 65897#(and (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4))) 3) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))), 65896#(and (= main_~p~0.offset 0) (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4))) 3) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (and (= |main_#t~mem16| (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3)))), 65899#(and (= main_~p~0.offset 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) 3) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 65898#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem18.base|) (+ 0 4))) (= 0 |main_#t~mem18.offset|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) (+ 0 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) (+ 0 4))) (+ 0 4))) 3)), 65901#(or (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) 3) (= main_~p~0.offset 0)) (<= (+ main_~p~0.offset 1) 0)), 65900#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) (+ 0 4))) (select (select |#memory_$Pointer$.offset| |main_#t~mem18.base|) (+ 0 4))) 3) (= 0 |main_#t~mem18.offset|)), 65903#(= (select (select |#memory_int| |main_#t~mem21.base|) |main_#t~mem21.offset|) 3), 65902#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) 3) (= main_~p~0.offset 0)), 65905#(= |main_#t~mem19| 3), 65904#(= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3)] [2018-02-04 02:42:42,344 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 6 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:42:42,344 INFO L409 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-02-04 02:42:42,344 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-02-04 02:42:42,345 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=1023, Unknown=0, NotChecked=0, Total=1122 [2018-02-04 02:42:42,345 INFO L87 Difference]: Start difference. First operand 459 states and 528 transitions. Second operand 34 states. [2018-02-04 02:42:44,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:42:44,343 INFO L93 Difference]: Finished difference Result 496 states and 564 transitions. [2018-02-04 02:42:44,343 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-02-04 02:42:44,343 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 78 [2018-02-04 02:42:44,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:42:44,344 INFO L225 Difference]: With dead ends: 496 [2018-02-04 02:42:44,344 INFO L226 Difference]: Without dead ends: 496 [2018-02-04 02:42:44,344 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 952 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=458, Invalid=3832, Unknown=0, NotChecked=0, Total=4290 [2018-02-04 02:42:44,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 496 states. [2018-02-04 02:42:44,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 496 to 454. [2018-02-04 02:42:44,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 454 states. [2018-02-04 02:42:44,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 523 transitions. [2018-02-04 02:42:44,346 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 523 transitions. Word has length 78 [2018-02-04 02:42:44,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:42:44,346 INFO L432 AbstractCegarLoop]: Abstraction has 454 states and 523 transitions. [2018-02-04 02:42:44,347 INFO L433 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-02-04 02:42:44,347 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 523 transitions. [2018-02-04 02:42:44,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-02-04 02:42:44,347 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:42:44,347 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 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 02:42:44,347 INFO L371 AbstractCegarLoop]: === Iteration 95 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:42:44,347 INFO L82 PathProgramCache]: Analyzing trace with hash 1651634367, now seen corresponding path program 6 times [2018-02-04 02:42:44,348 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:42:44,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:42:44,355 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:42:45,371 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 4 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:42:45,371 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:42:45,371 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2018-02-04 02:42:45,371 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:42:45,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:42:45,372 INFO L182 omatonBuilderFactory]: Interpolants [66945#(or (and (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4))) 3) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (and (= |main_#t~mem16| (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3))), 66944#(or (and (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4))) 3) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3)), 66947#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem18.base|) (+ 0 4))) (= 0 |main_#t~mem18.offset|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) (+ 0 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) (+ 0 4))) (+ 0 4))) 3)), 66946#(and (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4))) 3) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))), 66949#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) 3) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 66948#(or (<= (+ main_~p~0.offset 1) 0) (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) 3) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))))), 66951#(or (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) 3) (= main_~p~0.offset 0)) (<= (+ main_~p~0.offset 1) 0)), 66950#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) (+ 0 4))) (select (select |#memory_$Pointer$.offset| |main_#t~mem18.base|) (+ 0 4))) 3) (= 0 |main_#t~mem18.offset|)), 66953#(= (select (select |#memory_int| |main_#t~mem18.base|) |main_#t~mem18.offset|) 3), 66952#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) 3) (= main_~p~0.offset 0)), 66955#(= |main_#t~mem19| 3), 66954#(= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3), 66921#false, 66920#true, 66923#(= main_~a~0.offset 0), 66922#(= |main_#t~malloc0.offset| 0), 66925#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 66924#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 66927#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= main_~t~0.offset 0) (= (select |#valid| main_~t~0.base) 1)), 66926#(and (not (= main_~p~0.base |main_#t~malloc5.base|)) (= |main_#t~malloc5.offset| 0) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| |main_#t~malloc5.base|) 1) (= main_~p~0.base main_~a~0.base)), 66929#(and (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem7.base|) (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~mem7.base|)) (= (select |#valid| |main_#t~mem7.base|) 1) (= 0 |main_#t~mem7.offset|)), 66928#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 1) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 66931#(and (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 66930#(and (= (select |#valid| main_~a~0.base) 1) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~a~0.base)) (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1)) (<= (+ main_~p~0.offset 1) 0))), 66933#(and (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base main_~t~0.base)) (= (select |#valid| main_~t~0.base) 1)), 66932#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~p~0.base |main_#t~malloc5.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| |main_#t~malloc5.base|) 1) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base |main_#t~malloc5.base|))), 66935#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem7.base|) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~mem7.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| |main_#t~mem7.base|) 1) (= 0 |main_#t~mem7.offset|) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem7.base|))), 66934#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 1) (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 66937#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 66936#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (or (<= (+ main_~p~0.offset 1) 0) (= main_~p~0.offset 0)) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 66939#(and (or (= main_~a~0.offset main_~t~0.offset) (not (= main_~a~0.base main_~t~0.base))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (not (= (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4)) main_~t~0.base))), 66938#(and (not (= main_~p~0.base |main_#t~malloc5.base|)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~malloc5.base|)) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (or (= main_~a~0.offset |main_#t~malloc5.offset|) (not (= main_~a~0.base |main_#t~malloc5.base|))) (not (= main_~p~0.base main_~a~0.base))), 66941#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem7.base|)) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4)) |main_#t~mem7.base|) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (or (= main_~a~0.offset |main_#t~mem7.offset|) (not (= main_~a~0.base |main_#t~mem7.base|))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4)) |main_#t~mem7.offset|) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem7.base|))), 66940#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (or (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~a~0.offset (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))))), 66943#(or (and (= 0 main_~a~0.offset) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) 3) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 3)), 66942#(or (and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)) (and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))))] [2018-02-04 02:42:45,372 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 4 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:42:45,372 INFO L409 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-02-04 02:42:45,372 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-02-04 02:42:45,372 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=1155, Unknown=0, NotChecked=0, Total=1260 [2018-02-04 02:42:45,372 INFO L87 Difference]: Start difference. First operand 454 states and 523 transitions. Second operand 36 states. [2018-02-04 02:42:47,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:42:47,628 INFO L93 Difference]: Finished difference Result 488 states and 555 transitions. [2018-02-04 02:42:47,628 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-02-04 02:42:47,628 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 78 [2018-02-04 02:42:47,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:42:47,629 INFO L225 Difference]: With dead ends: 488 [2018-02-04 02:42:47,629 INFO L226 Difference]: Without dead ends: 488 [2018-02-04 02:42:47,629 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1096 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=487, Invalid=4205, Unknown=0, NotChecked=0, Total=4692 [2018-02-04 02:42:47,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2018-02-04 02:42:47,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 451. [2018-02-04 02:42:47,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 451 states. [2018-02-04 02:42:47,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 519 transitions. [2018-02-04 02:42:47,631 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 519 transitions. Word has length 78 [2018-02-04 02:42:47,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:42:47,632 INFO L432 AbstractCegarLoop]: Abstraction has 451 states and 519 transitions. [2018-02-04 02:42:47,632 INFO L433 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-02-04 02:42:47,632 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 519 transitions. [2018-02-04 02:42:47,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-02-04 02:42:47,632 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:42:47,632 INFO L351 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2018-02-04 02:42:47,632 INFO L371 AbstractCegarLoop]: === Iteration 96 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:42:47,632 INFO L82 PathProgramCache]: Analyzing trace with hash -1277865618, now seen corresponding path program 11 times [2018-02-04 02:42:47,633 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:42:47,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:42:47,645 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:42:48,472 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:42:48,472 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:42:48,473 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2018-02-04 02:42:48,473 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:42:48,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:42:48,473 INFO L182 omatonBuilderFactory]: Interpolants [67969#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base main_~a~0.base)), 67968#(and (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 67971#(and (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 67970#(and (= (select |#valid| main_~a~0.base) 1) (not (= main_~a~0.base |main_#t~mem14.base|)) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem14.base|) (= 0 |main_#t~mem14.offset|) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0)), 67973#(and (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~malloc12.base|)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base |main_#t~malloc12.base|)) (not (= main_~p~0.base main_~a~0.base))), 67972#(and (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 67975#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) (select |#valid| main_~a~0.base)) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 67974#(and (= (select |#valid| main_~a~0.base) 1) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base main_~t~0.base))), 67977#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= (select |#valid| main_~a~0.base) 1) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (not (= main_~p~0.base main_~a~0.base))), 67976#(and (= (select |#valid| main_~a~0.base) 1) (not (= main_~a~0.base |main_#t~mem14.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem14.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem14.base|) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1)), 67979#(and (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~a~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (not (= (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4)) main_~t~0.base)) (not (= main_~a~0.base main_~t~0.base)) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) 1)), 67978#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~malloc12.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~malloc12.base|)) (not (= main_~p~0.base main_~a~0.base))), 67981#(and (not (= main_~a~0.base |main_#t~mem14.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem14.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1)), 67980#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (= 1 (select |#valid| main_~p~0.base))), 67983#(and (= main_~a~0.offset |main_#t~malloc12.offset|) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= |main_#t~malloc12.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~malloc12.base|)) (not (= main_~p~0.base main_~a~0.base))), 67982#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (not (= main_~p~0.base main_~a~0.base))), 67985#(and (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))))), 67984#(and (or (= main_~t~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (+ 0 4))))) (= 0 main_~a~0.offset) (= main_~a~0.offset main_~t~0.offset) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (not (= (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4)) main_~t~0.base))), 67987#(or (and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)) (and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (or (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))))) (not (= main_~p~0.base main_~a~0.base)))), 67986#(and (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem14.base|)) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (or (= |main_#t~mem14.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))))) (= main_~a~0.offset |main_#t~mem14.offset|)), 67989#(or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3)), 67988#(or (and (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 3)), 67991#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 67990#(or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))) (and (= |main_#t~mem19| (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3))), 67993#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (<= (+ main_~p~0.offset 1) 0)), 67992#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) (+ 0 4)))) (= 0 |main_#t~mem21.offset|)), 67995#(= 1 (select |#valid| |main_#t~mem21.base|)), 67994#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))), 67996#(= 1 (select |#valid| main_~p~0.base)), 67961#true, 67963#(= |main_#t~malloc0.offset| 0), 67962#false, 67965#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 67964#(= main_~a~0.offset 0), 67967#(and (= 0 |main_#t~malloc12.offset|) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base |main_#t~malloc12.base|)) (= main_~p~0.base main_~a~0.base)), 67966#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base))] [2018-02-04 02:42:48,473 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:42:48,473 INFO L409 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-02-04 02:42:48,473 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-02-04 02:42:48,474 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=1139, Unknown=0, NotChecked=0, Total=1260 [2018-02-04 02:42:48,474 INFO L87 Difference]: Start difference. First operand 451 states and 519 transitions. Second operand 36 states. [2018-02-04 02:42:50,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:42:50,467 INFO L93 Difference]: Finished difference Result 533 states and 604 transitions. [2018-02-04 02:42:50,467 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2018-02-04 02:42:50,467 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 79 [2018-02-04 02:42:50,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:42:50,468 INFO L225 Difference]: With dead ends: 533 [2018-02-04 02:42:50,468 INFO L226 Difference]: Without dead ends: 533 [2018-02-04 02:42:50,469 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1506 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=799, Invalid=5207, Unknown=0, NotChecked=0, Total=6006 [2018-02-04 02:42:50,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 533 states. [2018-02-04 02:42:50,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 533 to 477. [2018-02-04 02:42:50,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 477 states. [2018-02-04 02:42:50,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 477 states and 547 transitions. [2018-02-04 02:42:50,472 INFO L78 Accepts]: Start accepts. Automaton has 477 states and 547 transitions. Word has length 79 [2018-02-04 02:42:50,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:42:50,473 INFO L432 AbstractCegarLoop]: Abstraction has 477 states and 547 transitions. [2018-02-04 02:42:50,473 INFO L433 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-02-04 02:42:50,473 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 547 transitions. [2018-02-04 02:42:50,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-02-04 02:42:50,473 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:42:50,474 INFO L351 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2018-02-04 02:42:50,474 INFO L371 AbstractCegarLoop]: === Iteration 97 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:42:50,474 INFO L82 PathProgramCache]: Analyzing trace with hash -1277865617, now seen corresponding path program 8 times [2018-02-04 02:42:50,474 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:42:50,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:42:50,491 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:42:51,584 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:42:51,584 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:42:51,584 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2018-02-04 02:42:51,584 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:42:51,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:42:51,585 INFO L182 omatonBuilderFactory]: Interpolants [69121#(and (or (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) 3) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 69120#(or (and (or (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) 3) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))) (and (= |main_#t~mem19| (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3))), 69123#(or (<= (+ main_~p~0.offset 1) 0) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))))), 69122#(and (= 0 |main_#t~mem21.offset|) (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem21.base|) (+ 0 4)))) (= (select (select |#memory_int| |main_#t~mem21.base|) |main_#t~mem21.offset|) 3))), 69125#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 69124#(or (= |main_#t~mem19| 3) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))))), 69127#(and (= (select |#length| main_~p~0.base) 8) (= main_~p~0.offset 0)), 69126#(and (= 0 |main_#t~mem21.offset|) (= 8 (select |#length| |main_#t~mem21.base|))), 69091#true, 69093#(= |main_#t~malloc0.offset| 0), 69092#false, 69095#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 69094#(= main_~a~0.offset 0), 69097#(and (= 0 |main_#t~malloc12.offset|) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base |main_#t~malloc12.base|)) (= main_~p~0.base main_~a~0.base)), 69096#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 69099#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base main_~a~0.base)), 69098#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= main_~t~0.offset 0)), 69101#(and (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~a~0.base)) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) main_~p~0.base)), 69100#(and (= (select |#valid| main_~a~0.base) 1) (not (= main_~a~0.base |main_#t~mem14.base|)) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem14.base|) (= 0 |main_#t~mem14.offset|) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0)), 69103#(and (= (select |#valid| |main_#t~malloc12.base|) 1) (= (select |#valid| main_~a~0.base) 1) (= 0 |main_#t~malloc12.offset|) (= 8 (select |#length| |main_#t~malloc12.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~malloc12.base|)) (not (= main_~p~0.base |main_#t~malloc12.base|)) (not (= main_~p~0.base main_~a~0.base)) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) main_~p~0.base)), 69102#(and (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base)) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) main_~p~0.base)), 69105#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 1) (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ 0 4))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) main_~p~0.base)), 69104#(and (= 8 (select |#length| main_~t~0.base)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (= (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4)) main_~p~0.base) (not (= main_~a~0.base main_~t~0.base)) (= (select |#valid| main_~t~0.base) 1)), 69107#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= (select |#valid| main_~a~0.base) 1) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base)) (= 8 (select |#length| main_~p~0.base))), 69106#(and (= 8 (select |#length| |main_#t~mem14.base|)) (= (select |#valid| main_~a~0.base) 1) (not (= main_~a~0.base |main_#t~mem14.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem14.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem14.base|) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (= (select |#valid| |main_#t~mem14.base|) 1)), 69109#(and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~a~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (not (= (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4)) main_~t~0.base)) (= 8 (select |#length| main_~p~0.base)) (not (= main_~a~0.base main_~t~0.base))), 69108#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~malloc12.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~malloc12.base|)) (not (= main_~p~0.base main_~a~0.base)) (= 8 (select |#length| main_~p~0.base))), 69111#(and (not (= main_~a~0.base |main_#t~mem14.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem14.base|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))), 69110#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 1 (select |#valid| main_~p~0.base)) (= 8 (select |#length| main_~p~0.base))), 69113#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 main_~a~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)) |main_#t~malloc12.offset|) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 69112#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 69115#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))), 69114#(and (= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~a~0.offset main_~t~0.offset) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (= (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4)) main_~t~0.offset)), 69117#(or (and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)) (and (or (and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (and (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)))), 69116#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~a~0.offset |main_#t~mem14.offset|) (= (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)) |main_#t~mem14.offset|)), 69119#(or (and (or (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) 3) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3)), 69118#(or (and (= 0 main_~a~0.offset) (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) 3)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 3))] [2018-02-04 02:42:51,585 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:42:51,585 INFO L409 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-02-04 02:42:51,585 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-02-04 02:42:51,585 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=1192, Unknown=0, NotChecked=0, Total=1332 [2018-02-04 02:42:51,585 INFO L87 Difference]: Start difference. First operand 477 states and 547 transitions. Second operand 37 states. [2018-02-04 02:42:54,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:42:54,320 INFO L93 Difference]: Finished difference Result 547 states and 617 transitions. [2018-02-04 02:42:54,321 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2018-02-04 02:42:54,321 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 79 [2018-02-04 02:42:54,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:42:54,322 INFO L225 Difference]: With dead ends: 547 [2018-02-04 02:42:54,322 INFO L226 Difference]: Without dead ends: 546 [2018-02-04 02:42:54,322 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1621 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=781, Invalid=5381, Unknown=0, NotChecked=0, Total=6162 [2018-02-04 02:42:54,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 546 states. [2018-02-04 02:42:54,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 546 to 477. [2018-02-04 02:42:54,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 477 states. [2018-02-04 02:42:54,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 477 states and 547 transitions. [2018-02-04 02:42:54,325 INFO L78 Accepts]: Start accepts. Automaton has 477 states and 547 transitions. Word has length 79 [2018-02-04 02:42:54,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:42:54,325 INFO L432 AbstractCegarLoop]: Abstraction has 477 states and 547 transitions. [2018-02-04 02:42:54,325 INFO L433 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-02-04 02:42:54,325 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 547 transitions. [2018-02-04 02:42:54,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-02-04 02:42:54,325 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:42:54,325 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:42:54,325 INFO L371 AbstractCegarLoop]: === Iteration 98 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:42:54,326 INFO L82 PathProgramCache]: Analyzing trace with hash -1105812939, now seen corresponding path program 9 times [2018-02-04 02:42:54,326 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:42:54,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:42:54,339 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:42:55,175 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:42:55,175 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:42:55,175 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2018-02-04 02:42:55,175 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:42:55,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:42:55,175 INFO L182 omatonBuilderFactory]: Interpolants [70237#false, 70236#true, 70239#(= main_~a~0.offset 0), 70238#(= |main_#t~malloc0.offset| 0), 70241#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 70240#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 70243#(and (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 70242#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~p~0.base |main_#t~malloc5.base|)) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 70245#(and (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem7.base|) (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~mem7.base|)) (= 0 |main_#t~mem7.offset|)), 70244#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 70247#(and (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 70246#(and (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 70249#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base main_~t~0.base))), 70248#(and (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~malloc12.base|)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base |main_#t~malloc12.base|)) (not (= main_~p~0.base main_~a~0.base))), 70251#(and (= (select |#valid| main_~a~0.base) 1) (not (= main_~a~0.base |main_#t~mem14.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem14.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem14.base|) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1)), 70250#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) (select |#valid| main_~a~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| main_~p~0.base))), 70253#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~malloc12.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~malloc12.base|)) (not (= main_~p~0.base main_~a~0.base))), 70252#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= (select |#valid| main_~a~0.base) 1) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (not (= main_~p~0.base main_~a~0.base))), 70255#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (= 1 (select |#valid| main_~p~0.base))), 70254#(and (= main_~p~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~a~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (not (= (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4)) main_~t~0.base)) (not (= main_~a~0.base main_~t~0.base)) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) 1)), 70257#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (not (= main_~p~0.base main_~a~0.base))), 70256#(and (not (= main_~a~0.base |main_#t~mem14.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem14.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1)), 70259#(and (or (= main_~t~0.base (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4))) (+ 0 4))))) (= 0 main_~a~0.offset) (= main_~a~0.offset main_~t~0.offset) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~p~0.base (store (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.offset)) main_~a~0.base) (+ 0 4))) (not (= (select (select (store |#memory_$Pointer$.base| main_~p~0.base (store (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4) main_~t~0.base)) main_~a~0.base) (+ 0 4)) main_~t~0.base))), 70258#(and (= main_~a~0.offset |main_#t~malloc12.offset|) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= |main_#t~malloc12.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~malloc12.base|)) (not (= main_~p~0.base main_~a~0.base))), 70261#(and (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem14.base|)) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (or (= |main_#t~mem14.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))))) (= main_~a~0.offset |main_#t~mem14.offset|)), 70260#(and (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))))), 70263#(or (and (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 3)), 70262#(or (and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)) (and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (or (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))))) (not (= main_~p~0.base main_~a~0.base)))), 70265#(or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))) (and (= |main_#t~mem16| (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3))), 70264#(or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3)), 70267#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) (+ 0 4)))) (= 0 |main_#t~mem18.offset|)), 70266#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 70269#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))), 70268#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (<= (+ main_~p~0.offset 1) 0)), 70271#(= 1 (select |#valid| main_~p~0.base)), 70270#(= 1 (select |#valid| |main_#t~mem21.base|))] [2018-02-04 02:42:55,176 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:42:55,176 INFO L409 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-02-04 02:42:55,176 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-02-04 02:42:55,176 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=1139, Unknown=0, NotChecked=0, Total=1260 [2018-02-04 02:42:55,176 INFO L87 Difference]: Start difference. First operand 477 states and 547 transitions. Second operand 36 states. [2018-02-04 02:42:57,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:42:57,368 INFO L93 Difference]: Finished difference Result 540 states and 611 transitions. [2018-02-04 02:42:57,368 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2018-02-04 02:42:57,368 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 79 [2018-02-04 02:42:57,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:42:57,369 INFO L225 Difference]: With dead ends: 540 [2018-02-04 02:42:57,369 INFO L226 Difference]: Without dead ends: 540 [2018-02-04 02:42:57,369 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1506 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=797, Invalid=5209, Unknown=0, NotChecked=0, Total=6006 [2018-02-04 02:42:57,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2018-02-04 02:42:57,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 482. [2018-02-04 02:42:57,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 482 states. [2018-02-04 02:42:57,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 552 transitions. [2018-02-04 02:42:57,372 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 552 transitions. Word has length 79 [2018-02-04 02:42:57,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:42:57,372 INFO L432 AbstractCegarLoop]: Abstraction has 482 states and 552 transitions. [2018-02-04 02:42:57,372 INFO L433 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-02-04 02:42:57,372 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 552 transitions. [2018-02-04 02:42:57,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-02-04 02:42:57,372 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:42:57,372 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:42:57,372 INFO L371 AbstractCegarLoop]: === Iteration 99 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr32EnsuresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 02:42:57,372 INFO L82 PathProgramCache]: Analyzing trace with hash -1105812938, now seen corresponding path program 5 times [2018-02-04 02:42:57,373 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:42:57,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:42:57,391 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. Received shutdown request... [2018-02-04 02:42:58,142 WARN L491 AbstractCegarLoop]: Verification canceled [2018-02-04 02:42:58,145 WARN L185 ceAbstractionStarter]: Timeout [2018-02-04 02:42:58,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.02 02:42:58 BoogieIcfgContainer [2018-02-04 02:42:58,146 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-02-04 02:42:58,146 INFO L168 Benchmark]: Toolchain (without parser) took 178225.91 ms. Allocated memory was 404.2 MB in the beginning and 892.3 MB in the end (delta: 488.1 MB). Free memory was 361.1 MB in the beginning and 768.8 MB in the end (delta: -407.7 MB). Peak memory consumption was 497.5 MB. Max. memory is 5.3 GB. [2018-02-04 02:42:58,147 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 404.2 MB. Free memory is still 367.7 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-04 02:42:58,147 INFO L168 Benchmark]: CACSL2BoogieTranslator took 166.19 ms. Allocated memory is still 404.2 MB. Free memory was 361.1 MB in the beginning and 350.5 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB. [2018-02-04 02:42:58,147 INFO L168 Benchmark]: Boogie Preprocessor took 31.85 ms. Allocated memory is still 404.2 MB. Free memory was 350.5 MB in the beginning and 347.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-02-04 02:42:58,147 INFO L168 Benchmark]: RCFGBuilder took 326.52 ms. Allocated memory is still 404.2 MB. Free memory was 347.9 MB in the beginning and 317.9 MB in the end (delta: 30.0 MB). Peak memory consumption was 30.0 MB. Max. memory is 5.3 GB. [2018-02-04 02:42:58,147 INFO L168 Benchmark]: TraceAbstraction took 177698.62 ms. Allocated memory was 404.2 MB in the beginning and 892.3 MB in the end (delta: 488.1 MB). Free memory was 317.9 MB in the beginning and 768.8 MB in the end (delta: -451.0 MB). Peak memory consumption was 454.3 MB. Max. memory is 5.3 GB. [2018-02-04 02:42:58,148 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 404.2 MB. Free memory is still 367.7 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 166.19 ms. Allocated memory is still 404.2 MB. Free memory was 361.1 MB in the beginning and 350.5 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 31.85 ms. Allocated memory is still 404.2 MB. Free memory was 350.5 MB in the beginning and 347.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 326.52 ms. Allocated memory is still 404.2 MB. Free memory was 347.9 MB in the beginning and 317.9 MB in the end (delta: 30.0 MB). Peak memory consumption was 30.0 MB. Max. memory is 5.3 GB. * TraceAbstraction took 177698.62 ms. Allocated memory was 404.2 MB in the beginning and 892.3 MB in the end (delta: 488.1 MB). Free memory was 317.9 MB in the beginning and 768.8 MB in the end (delta: -451.0 MB). Peak memory consumption was 454.3 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 639). Cancelled while BasicCegarLoop was analyzing trace of length 80 with TraceHistMax 4, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 45. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 649). Cancelled while BasicCegarLoop was analyzing trace of length 80 with TraceHistMax 4, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 45. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 666). Cancelled while BasicCegarLoop was analyzing trace of length 80 with TraceHistMax 4, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 45. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 665). Cancelled while BasicCegarLoop was analyzing trace of length 80 with TraceHistMax 4, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 45. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 657). Cancelled while BasicCegarLoop was analyzing trace of length 80 with TraceHistMax 4, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 45. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 661). Cancelled while BasicCegarLoop was analyzing trace of length 80 with TraceHistMax 4, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 45. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 635). Cancelled while BasicCegarLoop was analyzing trace of length 80 with TraceHistMax 4, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 45. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 659). Cancelled while BasicCegarLoop was analyzing trace of length 80 with TraceHistMax 4, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 45. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 669). Cancelled while BasicCegarLoop was analyzing trace of length 80 with TraceHistMax 4, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 45. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 666). Cancelled while BasicCegarLoop was analyzing trace of length 80 with TraceHistMax 4, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 45. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 638). Cancelled while BasicCegarLoop was analyzing trace of length 80 with TraceHistMax 4, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 45. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 653). Cancelled while BasicCegarLoop was analyzing trace of length 80 with TraceHistMax 4, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 45. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 655). Cancelled while BasicCegarLoop was analyzing trace of length 80 with TraceHistMax 4, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 45. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 664). Cancelled while BasicCegarLoop was analyzing trace of length 80 with TraceHistMax 4, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 45. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 638). Cancelled while BasicCegarLoop was analyzing trace of length 80 with TraceHistMax 4, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 45. - TimeoutResultAtElement [Line: 626]: Timeout (TraceAbstraction) Unable to prove that all allocated memory was freed (line 626). Cancelled while BasicCegarLoop was analyzing trace of length 80 with TraceHistMax 4, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 45. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 649). Cancelled while BasicCegarLoop was analyzing trace of length 80 with TraceHistMax 4, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 45. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 643). Cancelled while BasicCegarLoop was analyzing trace of length 80 with TraceHistMax 4, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 45. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 657). Cancelled while BasicCegarLoop was analyzing trace of length 80 with TraceHistMax 4, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 45. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 661). Cancelled while BasicCegarLoop was analyzing trace of length 80 with TraceHistMax 4, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 45. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 665). Cancelled while BasicCegarLoop was analyzing trace of length 80 with TraceHistMax 4, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 45. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 635). Cancelled while BasicCegarLoop was analyzing trace of length 80 with TraceHistMax 4, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 45. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 655). Cancelled while BasicCegarLoop was analyzing trace of length 80 with TraceHistMax 4, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 45. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 646). Cancelled while BasicCegarLoop was analyzing trace of length 80 with TraceHistMax 4, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 45. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 669). Cancelled while BasicCegarLoop was analyzing trace of length 80 with TraceHistMax 4, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 45. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 643). Cancelled while BasicCegarLoop was analyzing trace of length 80 with TraceHistMax 4, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 45. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 659). Cancelled while BasicCegarLoop was analyzing trace of length 80 with TraceHistMax 4, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 45. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 647). Cancelled while BasicCegarLoop was analyzing trace of length 80 with TraceHistMax 4, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 45. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 664). Cancelled while BasicCegarLoop was analyzing trace of length 80 with TraceHistMax 4, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 45. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 646). Cancelled while BasicCegarLoop was analyzing trace of length 80 with TraceHistMax 4, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 45. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 647). Cancelled while BasicCegarLoop was analyzing trace of length 80 with TraceHistMax 4, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 45. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 639). Cancelled while BasicCegarLoop was analyzing trace of length 80 with TraceHistMax 4, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 45. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 653). Cancelled while BasicCegarLoop was analyzing trace of length 80 with TraceHistMax 4, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 45. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 101 locations, 33 error locations. TIMEOUT Result, 177.6s OverallTime, 99 OverallIterations, 5 TraceHistogramMax, 122.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 8694 SDtfs, 40964 SDslu, 105394 SDs, 0 SdLazy, 118714 SolverSat, 8532 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 45.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4883 GetRequests, 186 SyntacticMatches, 61 SemanticMatches, 4636 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62239 ImplicationChecksByTransitivity, 110.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=482occurred in iteration=98, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 201/3392 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 98 MinimizatonAttempts, 6211 StatesRemovedByMinimization, 96 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 51.2s InterpolantComputationTime, 5807 NumberOfCodeBlocks, 5807 NumberOfCodeBlocksAsserted, 98 NumberOfCheckSat, 5709 ConstructedInterpolants, 0 QuantifiedInterpolants, 11214045 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 98 InterpolantComputations, 10 PerfectInterpolantSequences, 201/3392 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/list-ext_false-unreach-call_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-04_02-42-58-153.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/list-ext_false-unreach-call_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-02-04_02-42-58-153.csv Completed graceful shutdown